Home / 19,720.02-29,586.11-6,898.49

Finding the Fourth Proportional to 19,720.02, 29,586.11 and 6,898.49

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Solution

The fourth proportional to 19,720.02, 29,586.11 and 6,898.49 is: 10,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.02 : 29,586.11 = 6,898.49 : x
  2. Step 2: Convert to fraction form
    19,720.02/29,586.11 = 6,898.49/x
  3. Step 3: Cross multiply
    19,720.02x = 29,586.11 × 6,898.49
  4. Step 4: Simplify right side
    19,720.02x = 204,099,301.55
  5. Step 5: Solve for x
    x = 204,099,301.55/19,720.02
  6. Step 6: Final answer
    x = 10,349.85

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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.