Home / 10,107-13,948.08-5,630.75

Finding the Fourth Proportional to 10,107, 13,948.08 and 5,630.75

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Solution

The fourth proportional to 10,107, 13,948.08 and 5,630.75 is: 7,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107 : 13,948.08 = 5,630.75 : x
  2. Step 2: Convert to fraction form
    10,107/13,948.08 = 5,630.75/x
  3. Step 3: Cross multiply
    10,107x = 13,948.08 × 5,630.75
  4. Step 4: Simplify right side
    10,107x = 78,538,151.46
  5. Step 5: Solve for x
    x = 78,538,151.46/10,107
  6. Step 6: Final answer
    x = 7,770.67

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Double scale
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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.