Home / 11,248.93-15,519.76-7,275.07

Finding the Fourth Proportional to 11,248.93, 15,519.76 and 7,275.07

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Solution

The fourth proportional to 11,248.93, 15,519.76 and 7,275.07 is: 10,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.93 : 15,519.76 = 7,275.07 : x
  2. Step 2: Convert to fraction form
    11,248.93/15,519.76 = 7,275.07/x
  3. Step 3: Cross multiply
    11,248.93x = 15,519.76 × 7,275.07
  4. Step 4: Simplify right side
    11,248.93x = 112,907,340.38
  5. Step 5: Solve for x
    x = 112,907,340.38/11,248.93
  6. Step 6: Final answer
    x = 10,037.16

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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.