Home / 15,505.91-23,266.55-6,145.72

Finding the Fourth Proportional to 15,505.91, 23,266.55 and 6,145.72

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Solution

The fourth proportional to 15,505.91, 23,266.55 and 6,145.72 is: 9,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.91 : 23,266.55 = 6,145.72 : x
  2. Step 2: Convert to fraction form
    15,505.91/23,266.55 = 6,145.72/x
  3. Step 3: Cross multiply
    15,505.91x = 23,266.55 × 6,145.72
  4. Step 4: Simplify right side
    15,505.91x = 142,989,701.67
  5. Step 5: Solve for x
    x = 142,989,701.67/15,505.91
  6. Step 6: Final answer
    x = 9,221.63

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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.