Home / 15,545.35-23,325.87-7,647.55

Finding the Fourth Proportional to 15,545.35, 23,325.87 and 7,647.55

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Solution

The fourth proportional to 15,545.35, 23,325.87 and 7,647.55 is: 11,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.35 : 23,325.87 = 7,647.55 : x
  2. Step 2: Convert to fraction form
    15,545.35/23,325.87 = 7,647.55/x
  3. Step 3: Cross multiply
    15,545.35x = 23,325.87 × 7,647.55
  4. Step 4: Simplify right side
    15,545.35x = 178,385,727.48
  5. Step 5: Solve for x
    x = 178,385,727.48/15,545.35
  6. Step 6: Final answer
    x = 11,475.18

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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.