Home / 14,310.60-19,748.76-7,937.31

Finding the Fourth Proportional to 14,310.60, 19,748.76 and 7,937.31

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Solution

The fourth proportional to 14,310.60, 19,748.76 and 7,937.31 is: 10,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.60 : 19,748.76 = 7,937.31 : x
  2. Step 2: Convert to fraction form
    14,310.60/19,748.76 = 7,937.31/x
  3. Step 3: Cross multiply
    14,310.60x = 19,748.76 × 7,937.31
  4. Step 4: Simplify right side
    14,310.60x = 156,752,030.24
  5. Step 5: Solve for x
    x = 156,752,030.24/14,310.60
  6. Step 6: Final answer
    x = 10,953.56

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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.