Home / 20,344.39-30,516.59-9,812.46

Finding the Fourth Proportional to 20,344.39, 30,516.59 and 9,812.46

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Solution

The fourth proportional to 20,344.39, 30,516.59 and 9,812.46 is: 14,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.39 : 30,516.59 = 9,812.46 : x
  2. Step 2: Convert to fraction form
    20,344.39/30,516.59 = 9,812.46/x
  3. Step 3: Cross multiply
    20,344.39x = 30,516.59 × 9,812.46
  4. Step 4: Simplify right side
    20,344.39x = 299,442,818.71
  5. Step 5: Solve for x
    x = 299,442,818.71/20,344.39
  6. Step 6: Final answer
    x = 14,718.69

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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.