Home / 20,545.93-30,818.94-4,963.56

Finding the Fourth Proportional to 20,545.93, 30,818.94 and 4,963.56

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Solution

The fourth proportional to 20,545.93, 30,818.94 and 4,963.56 is: 7,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.93 : 30,818.94 = 4,963.56 : x
  2. Step 2: Convert to fraction form
    20,545.93/30,818.94 = 4,963.56/x
  3. Step 3: Cross multiply
    20,545.93x = 30,818.94 × 4,963.56
  4. Step 4: Simplify right side
    20,545.93x = 152,971,657.83
  5. Step 5: Solve for x
    x = 152,971,657.83/20,545.93
  6. Step 6: Final answer
    x = 7,445.35

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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.