Home / 20,600.76-30,890.18-9,501.72

Finding the Fourth Proportional to 20,600.76, 30,890.18 and 9,501.72

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Solution

The fourth proportional to 20,600.76, 30,890.18 and 9,501.72 is: 14,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.76 : 30,890.18 = 9,501.72 : x
  2. Step 2: Convert to fraction form
    20,600.76/30,890.18 = 9,501.72/x
  3. Step 3: Cross multiply
    20,600.76x = 30,890.18 × 9,501.72
  4. Step 4: Simplify right side
    20,600.76x = 293,509,841.11
  5. Step 5: Solve for x
    x = 293,509,841.11/20,600.76
  6. Step 6: Final answer
    x = 14,247.52

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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.