Home / 20,123.17-30,174.95-6,080.49

Finding the Fourth Proportional to 20,123.17, 30,174.95 and 6,080.49

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Solution

The fourth proportional to 20,123.17, 30,174.95 and 6,080.49 is: 9,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123.17 : 30,174.95 = 6,080.49 : x
  2. Step 2: Convert to fraction form
    20,123.17/30,174.95 = 6,080.49/x
  3. Step 3: Cross multiply
    20,123.17x = 30,174.95 × 6,080.49
  4. Step 4: Simplify right side
    20,123.17x = 183,478,496.93
  5. Step 5: Solve for x
    x = 183,478,496.93/20,123.17
  6. Step 6: Final answer
    x = 9,117.77

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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.