Home / 19,420.14-29,122.83-6,937.86

Finding the Fourth Proportional to 19,420.14, 29,122.83 and 6,937.86

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Solution

The fourth proportional to 19,420.14, 29,122.83 and 6,937.86 is: 10,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.14 : 29,122.83 = 6,937.86 : x
  2. Step 2: Convert to fraction form
    19,420.14/29,122.83 = 6,937.86/x
  3. Step 3: Cross multiply
    19,420.14x = 29,122.83 × 6,937.86
  4. Step 4: Simplify right side
    19,420.14x = 202,050,117.34
  5. Step 5: Solve for x
    x = 202,050,117.34/19,420.14
  6. Step 6: Final answer
    x = 10,404.15

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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.