Home / 15,598.41-21,519.36-11,340.13

Finding the Fourth Proportional to 15,598.41, 21,519.36 and 11,340.13

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Solution

The fourth proportional to 15,598.41, 21,519.36 and 11,340.13 is: 15,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.41 : 21,519.36 = 11,340.13 : x
  2. Step 2: Convert to fraction form
    15,598.41/21,519.36 = 11,340.13/x
  3. Step 3: Cross multiply
    15,598.41x = 21,519.36 × 11,340.13
  4. Step 4: Simplify right side
    15,598.41x = 244,032,422.07
  5. Step 5: Solve for x
    x = 244,032,422.07/15,598.41
  6. Step 6: Final answer
    x = 15,644.70

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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.