Home / 12,572.76-17,362.08-8,106.96

Finding the Fourth Proportional to 12,572.76, 17,362.08 and 8,106.96

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Solution

The fourth proportional to 12,572.76, 17,362.08 and 8,106.96 is: 11,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.76 : 17,362.08 = 8,106.96 : x
  2. Step 2: Convert to fraction form
    12,572.76/17,362.08 = 8,106.96/x
  3. Step 3: Cross multiply
    12,572.76x = 17,362.08 × 8,106.96
  4. Step 4: Simplify right side
    12,572.76x = 140,753,688.08
  5. Step 5: Solve for x
    x = 140,753,688.08/12,572.76
  6. Step 6: Final answer
    x = 11,195.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.