Home / 15,562.53-21,480.19-9,599.11

Finding the Fourth Proportional to 15,562.53, 21,480.19 and 9,599.11

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Solution

The fourth proportional to 15,562.53, 21,480.19 and 9,599.11 is: 13,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.53 : 21,480.19 = 9,599.11 : x
  2. Step 2: Convert to fraction form
    15,562.53/21,480.19 = 9,599.11/x
  3. Step 3: Cross multiply
    15,562.53x = 21,480.19 × 9,599.11
  4. Step 4: Simplify right side
    15,562.53x = 206,190,628.93
  5. Step 5: Solve for x
    x = 206,190,628.93/15,562.53
  6. Step 6: Final answer
    x = 13,249.17

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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.