Home / 15,985.46-22,059.14-8,910.56

Finding the Fourth Proportional to 15,985.46, 22,059.14 and 8,910.56

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Solution

The fourth proportional to 15,985.46, 22,059.14 and 8,910.56 is: 12,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.46 : 22,059.14 = 8,910.56 : x
  2. Step 2: Convert to fraction form
    15,985.46/22,059.14 = 8,910.56/x
  3. Step 3: Cross multiply
    15,985.46x = 22,059.14 × 8,910.56
  4. Step 4: Simplify right side
    15,985.46x = 196,559,290.52
  5. Step 5: Solve for x
    x = 196,559,290.52/15,985.46
  6. Step 6: Final answer
    x = 12,296.13

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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.