Home / 15,604.77-21,534.66-8,531.19

Finding the Fourth Proportional to 15,604.77, 21,534.66 and 8,531.19

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Solution

The fourth proportional to 15,604.77, 21,534.66 and 8,531.19 is: 11,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.77 : 21,534.66 = 8,531.19 : x
  2. Step 2: Convert to fraction form
    15,604.77/21,534.66 = 8,531.19/x
  3. Step 3: Cross multiply
    15,604.77x = 21,534.66 × 8,531.19
  4. Step 4: Simplify right side
    15,604.77x = 183,716,233.39
  5. Step 5: Solve for x
    x = 183,716,233.39/15,604.77
  6. Step 6: Final answer
    x = 11,773.08

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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.