Home / 15,427.13-23,135.12-5,563.76

Finding the Fourth Proportional to 15,427.13, 23,135.12 and 5,563.76

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Solution

The fourth proportional to 15,427.13, 23,135.12 and 5,563.76 is: 8,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.13 : 23,135.12 = 5,563.76 : x
  2. Step 2: Convert to fraction form
    15,427.13/23,135.12 = 5,563.76/x
  3. Step 3: Cross multiply
    15,427.13x = 23,135.12 × 5,563.76
  4. Step 4: Simplify right side
    15,427.13x = 128,718,227.43
  5. Step 5: Solve for x
    x = 128,718,227.43/15,427.13
  6. Step 6: Final answer
    x = 8,343.63

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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.