Home / 12,348.80-18,510.24-8,884.16

Finding the Fourth Proportional to 12,348.80, 18,510.24 and 8,884.16

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Solution

The fourth proportional to 12,348.80, 18,510.24 and 8,884.16 is: 13,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.80 : 18,510.24 = 8,884.16 : x
  2. Step 2: Convert to fraction form
    12,348.80/18,510.24 = 8,884.16/x
  3. Step 3: Cross multiply
    12,348.80x = 18,510.24 × 8,884.16
  4. Step 4: Simplify right side
    12,348.80x = 164,447,933.80
  5. Step 5: Solve for x
    x = 164,447,933.80/12,348.80
  6. Step 6: Final answer
    x = 13,316.92

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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.