Home / 15,545.04-21,452.20-9,257.36

Finding the Fourth Proportional to 15,545.04, 21,452.20 and 9,257.36

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Solution

The fourth proportional to 15,545.04, 21,452.20 and 9,257.36 is: 12,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.04 : 21,452.20 = 9,257.36 : x
  2. Step 2: Convert to fraction form
    15,545.04/21,452.20 = 9,257.36/x
  3. Step 3: Cross multiply
    15,545.04x = 21,452.20 × 9,257.36
  4. Step 4: Simplify right side
    15,545.04x = 198,590,738.19
  5. Step 5: Solve for x
    x = 198,590,738.19/15,545.04
  6. Step 6: Final answer
    x = 12,775.18

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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.