Home / 15,547.38-23,321.06-5,681.28

Finding the Fourth Proportional to 15,547.38, 23,321.06 and 5,681.28

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Solution

The fourth proportional to 15,547.38, 23,321.06 and 5,681.28 is: 8,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.38 : 23,321.06 = 5,681.28 : x
  2. Step 2: Convert to fraction form
    15,547.38/23,321.06 = 5,681.28/x
  3. Step 3: Cross multiply
    15,547.38x = 23,321.06 × 5,681.28
  4. Step 4: Simplify right side
    15,547.38x = 132,493,369.35
  5. Step 5: Solve for x
    x = 132,493,369.35/15,547.38
  6. Step 6: Final answer
    x = 8,521.91

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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.