Home / 10,678.66-14,712.57-7,445.48

Finding the Fourth Proportional to 10,678.66, 14,712.57 and 7,445.48

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Solution

The fourth proportional to 10,678.66, 14,712.57 and 7,445.48 is: 10,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.66 : 14,712.57 = 7,445.48 : x
  2. Step 2: Convert to fraction form
    10,678.66/14,712.57 = 7,445.48/x
  3. Step 3: Cross multiply
    10,678.66x = 14,712.57 × 7,445.48
  4. Step 4: Simplify right side
    10,678.66x = 109,542,145.68
  5. Step 5: Solve for x
    x = 109,542,145.68/10,678.66
  6. Step 6: Final answer
    x = 10,258.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.