Home / 13,275.16-19,908.68-4,508.12

Finding the Fourth Proportional to 13,275.16, 19,908.68 and 4,508.12

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Solution

The fourth proportional to 13,275.16, 19,908.68 and 4,508.12 is: 6,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.16 : 19,908.68 = 4,508.12 : x
  2. Step 2: Convert to fraction form
    13,275.16/19,908.68 = 4,508.12/x
  3. Step 3: Cross multiply
    13,275.16x = 19,908.68 × 4,508.12
  4. Step 4: Simplify right side
    13,275.16x = 89,750,718.48
  5. Step 5: Solve for x
    x = 89,750,718.48/13,275.16
  6. Step 6: Final answer
    x = 6,760.80

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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.