Home / 15,427.11-23,138.10-5,038.86

Finding the Fourth Proportional to 15,427.11, 23,138.10 and 5,038.86

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Solution

The fourth proportional to 15,427.11, 23,138.10 and 5,038.86 is: 7,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.11 : 23,138.10 = 5,038.86 : x
  2. Step 2: Convert to fraction form
    15,427.11/23,138.10 = 5,038.86/x
  3. Step 3: Cross multiply
    15,427.11x = 23,138.10 × 5,038.86
  4. Step 4: Simplify right side
    15,427.11x = 116,589,646.57
  5. Step 5: Solve for x
    x = 116,589,646.57/15,427.11
  6. Step 6: Final answer
    x = 7,557.45

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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.