Home / 15,746.60-23,627.10-7,423.40

Finding the Fourth Proportional to 15,746.60, 23,627.10 and 7,423.40

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Solution

The fourth proportional to 15,746.60, 23,627.10 and 7,423.40 is: 11,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.60 : 23,627.10 = 7,423.40 : x
  2. Step 2: Convert to fraction form
    15,746.60/23,627.10 = 7,423.40/x
  3. Step 3: Cross multiply
    15,746.60x = 23,627.10 × 7,423.40
  4. Step 4: Simplify right side
    15,746.60x = 175,393,414.14
  5. Step 5: Solve for x
    x = 175,393,414.14/15,746.60
  6. Step 6: Final answer
    x = 11,138.49

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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.