Home / 13,402.27-18,483.02-8,366.95

Finding the Fourth Proportional to 13,402.27, 18,483.02 and 8,366.95

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Solution

The fourth proportional to 13,402.27, 18,483.02 and 8,366.95 is: 11,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.27 : 18,483.02 = 8,366.95 : x
  2. Step 2: Convert to fraction form
    13,402.27/18,483.02 = 8,366.95/x
  3. Step 3: Cross multiply
    13,402.27x = 18,483.02 × 8,366.95
  4. Step 4: Simplify right side
    13,402.27x = 154,646,504.19
  5. Step 5: Solve for x
    x = 154,646,504.19/13,402.27
  6. Step 6: Final answer
    x = 11,538.83

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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.