Home / 15,533.41-21,436.20-9,246.01

Finding the Fourth Proportional to 15,533.41, 21,436.20 and 9,246.01

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Solution

The fourth proportional to 15,533.41, 21,436.20 and 9,246.01 is: 12,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.41 : 21,436.20 = 9,246.01 : x
  2. Step 2: Convert to fraction form
    15,533.41/21,436.20 = 9,246.01/x
  3. Step 3: Cross multiply
    15,533.41x = 21,436.20 × 9,246.01
  4. Step 4: Simplify right side
    15,533.41x = 198,199,319.56
  5. Step 5: Solve for x
    x = 198,199,319.56/15,533.41
  6. Step 6: Final answer
    x = 12,759.55

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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.