Home / 15,410.70-21,265.38-9,441.18

Finding the Fourth Proportional to 15,410.70, 21,265.38 and 9,441.18

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Solution

The fourth proportional to 15,410.70, 21,265.38 and 9,441.18 is: 13,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.70 : 21,265.38 = 9,441.18 : x
  2. Step 2: Convert to fraction form
    15,410.70/21,265.38 = 9,441.18/x
  3. Step 3: Cross multiply
    15,410.70x = 21,265.38 × 9,441.18
  4. Step 4: Simplify right side
    15,410.70x = 200,770,280.35
  5. Step 5: Solve for x
    x = 200,770,280.35/15,410.70
  6. Step 6: Final answer
    x = 13,027.98

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Half scale
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Double scale
Find fourth proportional to 15,411.70, 21,266.76 and 9,442.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.