Home / 14,748.79-20,352.71-8,034.39

Finding the Fourth Proportional to 14,748.79, 20,352.71 and 8,034.39

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Solution

The fourth proportional to 14,748.79, 20,352.71 and 8,034.39 is: 11,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.79 : 20,352.71 = 8,034.39 : x
  2. Step 2: Convert to fraction form
    14,748.79/20,352.71 = 8,034.39/x
  3. Step 3: Cross multiply
    14,748.79x = 20,352.71 × 8,034.39
  4. Step 4: Simplify right side
    14,748.79x = 163,521,609.70
  5. Step 5: Solve for x
    x = 163,521,609.70/14,748.79
  6. Step 6: Final answer
    x = 11,087.12

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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.