Home / 14,988.26-20,686.30-14,323.94

Finding the Fourth Proportional to 14,988.26, 20,686.30 and 14,323.94

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Solution

The fourth proportional to 14,988.26, 20,686.30 and 14,323.94 is: 19,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.26 : 20,686.30 = 14,323.94 : x
  2. Step 2: Convert to fraction form
    14,988.26/20,686.30 = 14,323.94/x
  3. Step 3: Cross multiply
    14,988.26x = 20,686.30 × 14,323.94
  4. Step 4: Simplify right side
    14,988.26x = 296,309,320.02
  5. Step 5: Solve for x
    x = 296,309,320.02/14,988.26
  6. Step 6: Final answer
    x = 19,769.43

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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.