Home / 15,551.03-21,454.29-9,572.31

Finding the Fourth Proportional to 15,551.03, 21,454.29 and 9,572.31

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Solution

The fourth proportional to 15,551.03, 21,454.29 and 9,572.31 is: 13,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.03 : 21,454.29 = 9,572.31 : x
  2. Step 2: Convert to fraction form
    15,551.03/21,454.29 = 9,572.31/x
  3. Step 3: Cross multiply
    15,551.03x = 21,454.29 × 9,572.31
  4. Step 4: Simplify right side
    15,551.03x = 205,367,114.71
  5. Step 5: Solve for x
    x = 205,367,114.71/15,551.03
  6. Step 6: Final answer
    x = 13,206.02

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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.