Home / 15,390.28-23,087.04-7,591.60

Finding the Fourth Proportional to 15,390.28, 23,087.04 and 7,591.60

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Solution

The fourth proportional to 15,390.28, 23,087.04 and 7,591.60 is: 11,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.28 : 23,087.04 = 7,591.60 : x
  2. Step 2: Convert to fraction form
    15,390.28/23,087.04 = 7,591.60/x
  3. Step 3: Cross multiply
    15,390.28x = 23,087.04 × 7,591.60
  4. Step 4: Simplify right side
    15,390.28x = 175,267,572.86
  5. Step 5: Solve for x
    x = 175,267,572.86/15,390.28
  6. Step 6: Final answer
    x = 11,388.20

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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.