Home / 15,285.03-21,103.64-9,551.19

Finding the Fourth Proportional to 15,285.03, 21,103.64 and 9,551.19

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Solution

The fourth proportional to 15,285.03, 21,103.64 and 9,551.19 is: 13,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.03 : 21,103.64 = 9,551.19 : x
  2. Step 2: Convert to fraction form
    15,285.03/21,103.64 = 9,551.19/x
  3. Step 3: Cross multiply
    15,285.03x = 21,103.64 × 9,551.19
  4. Step 4: Simplify right side
    15,285.03x = 201,564,827.58
  5. Step 5: Solve for x
    x = 201,564,827.58/15,285.03
  6. Step 6: Final answer
    x = 13,187.07

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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.