Home / 15,445.17-23,149.12-7,113.78

Finding the Fourth Proportional to 15,445.17, 23,149.12 and 7,113.78

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Solution

The fourth proportional to 15,445.17, 23,149.12 and 7,113.78 is: 10,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.17 : 23,149.12 = 7,113.78 : x
  2. Step 2: Convert to fraction form
    15,445.17/23,149.12 = 7,113.78/x
  3. Step 3: Cross multiply
    15,445.17x = 23,149.12 × 7,113.78
  4. Step 4: Simplify right side
    15,445.17x = 164,677,746.87
  5. Step 5: Solve for x
    x = 164,677,746.87/15,445.17
  6. Step 6: Final answer
    x = 10,662.09

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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.