Home / 15,591.21-23,386.11-5,729.78

Finding the Fourth Proportional to 15,591.21, 23,386.11 and 5,729.78

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Solution

The fourth proportional to 15,591.21, 23,386.11 and 5,729.78 is: 8,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.21 : 23,386.11 = 5,729.78 : x
  2. Step 2: Convert to fraction form
    15,591.21/23,386.11 = 5,729.78/x
  3. Step 3: Cross multiply
    15,591.21x = 23,386.11 × 5,729.78
  4. Step 4: Simplify right side
    15,591.21x = 133,997,148.43
  5. Step 5: Solve for x
    x = 133,997,148.43/15,591.21
  6. Step 6: Final answer
    x = 8,594.40

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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.