Home / 14,751.28-20,376.66-13,701.52

Finding the Fourth Proportional to 14,751.28, 20,376.66 and 13,701.52

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Solution

The fourth proportional to 14,751.28, 20,376.66 and 13,701.52 is: 18,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.28 : 20,376.66 = 13,701.52 : x
  2. Step 2: Convert to fraction form
    14,751.28/20,376.66 = 13,701.52/x
  3. Step 3: Cross multiply
    14,751.28x = 20,376.66 × 13,701.52
  4. Step 4: Simplify right side
    14,751.28x = 279,191,214.52
  5. Step 5: Solve for x
    x = 279,191,214.52/14,751.28
  6. Step 6: Final answer
    x = 18,926.58

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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.