Home / 42,618.30-63,927.36-11,453.55

Finding the Fourth Proportional to 42,618.30, 63,927.36 and 11,453.55

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Solution

The fourth proportional to 42,618.30, 63,927.36 and 11,453.55 is: 17,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618.30 : 63,927.36 = 11,453.55 : x
  2. Step 2: Convert to fraction form
    42,618.30/63,927.36 = 11,453.55/x
  3. Step 3: Cross multiply
    42,618.30x = 63,927.36 × 11,453.55
  4. Step 4: Simplify right side
    42,618.30x = 732,195,214.13
  5. Step 5: Solve for x
    x = 732,195,214.13/42,618.30
  6. Step 6: Final answer
    x = 17,180.30

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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.