Home / 10,063.76-13,885.14-6,290.75

Finding the Fourth Proportional to 10,063.76, 13,885.14 and 6,290.75

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Solution

The fourth proportional to 10,063.76, 13,885.14 and 6,290.75 is: 8,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063.76 : 13,885.14 = 6,290.75 : x
  2. Step 2: Convert to fraction form
    10,063.76/13,885.14 = 6,290.75/x
  3. Step 3: Cross multiply
    10,063.76x = 13,885.14 × 6,290.75
  4. Step 4: Simplify right side
    10,063.76x = 87,347,944.46
  5. Step 5: Solve for x
    x = 87,347,944.46/10,063.76
  6. Step 6: Final answer
    x = 8,679.45

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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.