Home / 10,718.24-14,787.36-8,480.48

Finding the Fourth Proportional to 10,718.24, 14,787.36 and 8,480.48

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Solution

The fourth proportional to 10,718.24, 14,787.36 and 8,480.48 is: 11,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.24 : 14,787.36 = 8,480.48 : x
  2. Step 2: Convert to fraction form
    10,718.24/14,787.36 = 8,480.48/x
  3. Step 3: Cross multiply
    10,718.24x = 14,787.36 × 8,480.48
  4. Step 4: Simplify right side
    10,718.24x = 125,403,910.73
  5. Step 5: Solve for x
    x = 125,403,910.73/10,718.24
  6. Step 6: Final answer
    x = 11,700.05

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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.