Home / 20,349.68-30,521.02-6,117.94

Finding the Fourth Proportional to 20,349.68, 30,521.02 and 6,117.94

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Solution

The fourth proportional to 20,349.68, 30,521.02 and 6,117.94 is: 9,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.68 : 30,521.02 = 6,117.94 : x
  2. Step 2: Convert to fraction form
    20,349.68/30,521.02 = 6,117.94/x
  3. Step 3: Cross multiply
    20,349.68x = 30,521.02 × 6,117.94
  4. Step 4: Simplify right side
    20,349.68x = 186,725,769.10
  5. Step 5: Solve for x
    x = 186,725,769.10/20,349.68
  6. Step 6: Final answer
    x = 9,175.86

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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.