Home / 15,631.80-23,449.26-5,101.40

Finding the Fourth Proportional to 15,631.80, 23,449.26 and 5,101.40

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Solution

The fourth proportional to 15,631.80, 23,449.26 and 5,101.40 is: 7,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.80 : 23,449.26 = 5,101.40 : x
  2. Step 2: Convert to fraction form
    15,631.80/23,449.26 = 5,101.40/x
  3. Step 3: Cross multiply
    15,631.80x = 23,449.26 × 5,101.40
  4. Step 4: Simplify right side
    15,631.80x = 119,623,937.72
  5. Step 5: Solve for x
    x = 119,623,937.72/15,631.80
  6. Step 6: Final answer
    x = 7,652.60

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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.