Home / 15,428.83-23,144.05-4,899.69

Finding the Fourth Proportional to 15,428.83, 23,144.05 and 4,899.69

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Solution

The fourth proportional to 15,428.83, 23,144.05 and 4,899.69 is: 7,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.83 : 23,144.05 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    15,428.83/23,144.05 = 4,899.69/x
  3. Step 3: Cross multiply
    15,428.83x = 23,144.05 × 4,899.69
  4. Step 4: Simplify right side
    15,428.83x = 113,398,612.48
  5. Step 5: Solve for x
    x = 113,398,612.48/15,428.83
  6. Step 6: Final answer
    x = 7,349.79

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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.