Home / 12,366.30-18,518.67-8,651.13

Finding the Fourth Proportional to 12,366.30, 18,518.67 and 8,651.13

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Solution

The fourth proportional to 12,366.30, 18,518.67 and 8,651.13 is: 12,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.30 : 18,518.67 = 8,651.13 : x
  2. Step 2: Convert to fraction form
    12,366.30/18,518.67 = 8,651.13/x
  3. Step 3: Cross multiply
    12,366.30x = 18,518.67 × 8,651.13
  4. Step 4: Simplify right side
    12,366.30x = 160,207,421.60
  5. Step 5: Solve for x
    x = 160,207,421.60/12,366.30
  6. Step 6: Final answer
    x = 12,955.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.