Home / 15,993.78-22,064.28-9,275.52

Finding the Fourth Proportional to 15,993.78, 22,064.28 and 9,275.52

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Solution

The fourth proportional to 15,993.78, 22,064.28 and 9,275.52 is: 12,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.78 : 22,064.28 = 9,275.52 : x
  2. Step 2: Convert to fraction form
    15,993.78/22,064.28 = 9,275.52/x
  3. Step 3: Cross multiply
    15,993.78x = 22,064.28 × 9,275.52
  4. Step 4: Simplify right side
    15,993.78x = 204,657,670.43
  5. Step 5: Solve for x
    x = 204,657,670.43/15,993.78
  6. Step 6: Final answer
    x = 12,796.08

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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.