Home / 9,189.04-13,716.90-8,503.76

Finding the Fourth Proportional to 9,189.04, 13,716.90 and 8,503.76

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Solution

The fourth proportional to 9,189.04, 13,716.90 and 8,503.76 is: 12,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.04 : 13,716.90 = 8,503.76 : x
  2. Step 2: Convert to fraction form
    9,189.04/13,716.90 = 8,503.76/x
  3. Step 3: Cross multiply
    9,189.04x = 13,716.90 × 8,503.76
  4. Step 4: Simplify right side
    9,189.04x = 116,645,225.54
  5. Step 5: Solve for x
    x = 116,645,225.54/9,189.04
  6. Step 6: Final answer
    x = 12,693.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.