Home / 15,539.67-21,437.92-10,502.06

Finding the Fourth Proportional to 15,539.67, 21,437.92 and 10,502.06

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Solution

The fourth proportional to 15,539.67, 21,437.92 and 10,502.06 is: 14,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.67 : 21,437.92 = 10,502.06 : x
  2. Step 2: Convert to fraction form
    15,539.67/21,437.92 = 10,502.06/x
  3. Step 3: Cross multiply
    15,539.67x = 21,437.92 × 10,502.06
  4. Step 4: Simplify right side
    15,539.67x = 225,142,322.12
  5. Step 5: Solve for x
    x = 225,142,322.12/15,539.67
  6. Step 6: Final answer
    x = 14,488.23

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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.