Home / 10,738.40-14,819.14-6,488.86

Finding the Fourth Proportional to 10,738.40, 14,819.14 and 6,488.86

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Solution

The fourth proportional to 10,738.40, 14,819.14 and 6,488.86 is: 8,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.40 : 14,819.14 = 6,488.86 : x
  2. Step 2: Convert to fraction form
    10,738.40/14,819.14 = 6,488.86/x
  3. Step 3: Cross multiply
    10,738.40x = 14,819.14 × 6,488.86
  4. Step 4: Simplify right side
    10,738.40x = 96,159,324.78
  5. Step 5: Solve for x
    x = 96,159,324.78/10,738.40
  6. Step 6: Final answer
    x = 8,954.72

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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.