Home / 15,539.91-23,272.43-9,689.19

Finding the Fourth Proportional to 15,539.91, 23,272.43 and 9,689.19

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Solution

The fourth proportional to 15,539.91, 23,272.43 and 9,689.19 is: 14,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.91 : 23,272.43 = 9,689.19 : x
  2. Step 2: Convert to fraction form
    15,539.91/23,272.43 = 9,689.19/x
  3. Step 3: Cross multiply
    15,539.91x = 23,272.43 × 9,689.19
  4. Step 4: Simplify right side
    15,539.91x = 225,490,947.59
  5. Step 5: Solve for x
    x = 225,490,947.59/15,539.91
  6. Step 6: Final answer
    x = 14,510.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.