Home / 10,366.90-15,545.85-4,818.40

Finding the Fourth Proportional to 10,366.90, 15,545.85 and 4,818.40

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Solution

The fourth proportional to 10,366.90, 15,545.85 and 4,818.40 is: 7,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.90 : 15,545.85 = 4,818.40 : x
  2. Step 2: Convert to fraction form
    10,366.90/15,545.85 = 4,818.40/x
  3. Step 3: Cross multiply
    10,366.90x = 15,545.85 × 4,818.40
  4. Step 4: Simplify right side
    10,366.90x = 74,906,123.64
  5. Step 5: Solve for x
    x = 74,906,123.64/10,366.90
  6. Step 6: Final answer
    x = 7,225.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.