Home / 15,434.78-23,152.18-4,342.60

Finding the Fourth Proportional to 15,434.78, 23,152.18 and 4,342.60

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Solution

The fourth proportional to 15,434.78, 23,152.18 and 4,342.60 is: 6,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.78 : 23,152.18 = 4,342.60 : x
  2. Step 2: Convert to fraction form
    15,434.78/23,152.18 = 4,342.60/x
  3. Step 3: Cross multiply
    15,434.78x = 23,152.18 × 4,342.60
  4. Step 4: Simplify right side
    15,434.78x = 100,540,656.87
  5. Step 5: Solve for x
    x = 100,540,656.87/15,434.78
  6. Step 6: Final answer
    x = 6,513.90

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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.