Home / 15,547.92-21,455.51-8,474.19

Finding the Fourth Proportional to 15,547.92, 21,455.51 and 8,474.19

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Solution

The fourth proportional to 15,547.92, 21,455.51 and 8,474.19 is: 11,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.92 : 21,455.51 = 8,474.19 : x
  2. Step 2: Convert to fraction form
    15,547.92/21,455.51 = 8,474.19/x
  3. Step 3: Cross multiply
    15,547.92x = 21,455.51 × 8,474.19
  4. Step 4: Simplify right side
    15,547.92x = 181,818,025.92
  5. Step 5: Solve for x
    x = 181,818,025.92/15,547.92
  6. Step 6: Final answer
    x = 11,694.04

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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.