Home / 42,618.20-63,927.25-11,453.45

Finding the Fourth Proportional to 42,618.20, 63,927.25 and 11,453.45

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Solution

The fourth proportional to 42,618.20, 63,927.25 and 11,453.45 is: 17,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618.20 : 63,927.25 = 11,453.45 : x
  2. Step 2: Convert to fraction form
    42,618.20/63,927.25 = 11,453.45/x
  3. Step 3: Cross multiply
    42,618.20x = 63,927.25 × 11,453.45
  4. Step 4: Simplify right side
    42,618.20x = 732,187,213.24
  5. Step 5: Solve for x
    x = 732,187,213.24/42,618.20
  6. Step 6: Final answer
    x = 17,180.16

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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.