Home / 15,449.12-23,176.14-5,587.40

Finding the Fourth Proportional to 15,449.12, 23,176.14 and 5,587.40

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Solution

The fourth proportional to 15,449.12, 23,176.14 and 5,587.40 is: 8,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.12 : 23,176.14 = 5,587.40 : x
  2. Step 2: Convert to fraction form
    15,449.12/23,176.14 = 5,587.40/x
  3. Step 3: Cross multiply
    15,449.12x = 23,176.14 × 5,587.40
  4. Step 4: Simplify right side
    15,449.12x = 129,494,364.64
  5. Step 5: Solve for x
    x = 129,494,364.64/15,449.12
  6. Step 6: Final answer
    x = 8,381.99

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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.