Home / 14,988.13-20,713.29-12,295.04

Finding the Fourth Proportional to 14,988.13, 20,713.29 and 12,295.04

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Solution

The fourth proportional to 14,988.13, 20,713.29 and 12,295.04 is: 16,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.13 : 20,713.29 = 12,295.04 : x
  2. Step 2: Convert to fraction form
    14,988.13/20,713.29 = 12,295.04/x
  3. Step 3: Cross multiply
    14,988.13x = 20,713.29 × 12,295.04
  4. Step 4: Simplify right side
    14,988.13x = 254,670,625.52
  5. Step 5: Solve for x
    x = 254,670,625.52/14,988.13
  6. Step 6: Final answer
    x = 16,991.49

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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.