Home / 10,260.88-15,372.80-4,718.88

Finding the Fourth Proportional to 10,260.88, 15,372.80 and 4,718.88

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Solution

The fourth proportional to 10,260.88, 15,372.80 and 4,718.88 is: 7,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.88 : 15,372.80 = 4,718.88 : x
  2. Step 2: Convert to fraction form
    10,260.88/15,372.80 = 4,718.88/x
  3. Step 3: Cross multiply
    10,260.88x = 15,372.80 × 4,718.88
  4. Step 4: Simplify right side
    10,260.88x = 72,542,398.46
  5. Step 5: Solve for x
    x = 72,542,398.46/10,260.88
  6. Step 6: Final answer
    x = 7,069.80

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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.