Home / 10,335.12-14,258.12-6,141.20

Finding the Fourth Proportional to 10,335.12, 14,258.12 and 6,141.20

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Solution

The fourth proportional to 10,335.12, 14,258.12 and 6,141.20 is: 8,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.12 : 14,258.12 = 6,141.20 : x
  2. Step 2: Convert to fraction form
    10,335.12/14,258.12 = 6,141.20/x
  3. Step 3: Cross multiply
    10,335.12x = 14,258.12 × 6,141.20
  4. Step 4: Simplify right side
    10,335.12x = 87,561,966.54
  5. Step 5: Solve for x
    x = 87,561,966.54/10,335.12
  6. Step 6: Final answer
    x = 8,472.27

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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.