Home / 15,915.60-23,884.20-10,355.40

Finding the Fourth Proportional to 15,915.60, 23,884.20 and 10,355.40

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Solution

The fourth proportional to 15,915.60, 23,884.20 and 10,355.40 is: 15,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.60 : 23,884.20 = 10,355.40 : x
  2. Step 2: Convert to fraction form
    15,915.60/23,884.20 = 10,355.40/x
  3. Step 3: Cross multiply
    15,915.60x = 23,884.20 × 10,355.40
  4. Step 4: Simplify right side
    15,915.60x = 247,330,444.68
  5. Step 5: Solve for x
    x = 247,330,444.68/15,915.60
  6. Step 6: Final answer
    x = 15,540.13

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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.