Home / 9,312.33-13,959.18-5,154.21

Finding the Fourth Proportional to 9,312.33, 13,959.18 and 5,154.21

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Solution

The fourth proportional to 9,312.33, 13,959.18 and 5,154.21 is: 7,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.33 : 13,959.18 = 5,154.21 : x
  2. Step 2: Convert to fraction form
    9,312.33/13,959.18 = 5,154.21/x
  3. Step 3: Cross multiply
    9,312.33x = 13,959.18 × 5,154.21
  4. Step 4: Simplify right side
    9,312.33x = 71,948,545.15
  5. Step 5: Solve for x
    x = 71,948,545.15/9,312.33
  6. Step 6: Final answer
    x = 7,726.16

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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.