Home / 15,431.16-23,146.74-4,339.02

Finding the Fourth Proportional to 15,431.16, 23,146.74 and 4,339.02

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Solution

The fourth proportional to 15,431.16, 23,146.74 and 4,339.02 is: 6,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.16 : 23,146.74 = 4,339.02 : x
  2. Step 2: Convert to fraction form
    15,431.16/23,146.74 = 4,339.02/x
  3. Step 3: Cross multiply
    15,431.16x = 23,146.74 × 4,339.02
  4. Step 4: Simplify right side
    15,431.16x = 100,434,167.79
  5. Step 5: Solve for x
    x = 100,434,167.79/15,431.16
  6. Step 6: Final answer
    x = 6,508.53

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Double scale
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Similar ratio
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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.