Home / 15,252.40-22,878.60-5,391.60

Finding the Fourth Proportional to 15,252.40, 22,878.60 and 5,391.60

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Solution

The fourth proportional to 15,252.40, 22,878.60 and 5,391.60 is: 8,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.40 : 22,878.60 = 5,391.60 : x
  2. Step 2: Convert to fraction form
    15,252.40/22,878.60 = 5,391.60/x
  3. Step 3: Cross multiply
    15,252.40x = 22,878.60 × 5,391.60
  4. Step 4: Simplify right side
    15,252.40x = 123,352,259.76
  5. Step 5: Solve for x
    x = 123,352,259.76/15,252.40
  6. Step 6: Final answer
    x = 8,087.40

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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.