Home / 10,319.04-14,236.56-6,127.20

Finding the Fourth Proportional to 10,319.04, 14,236.56 and 6,127.20

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Solution

The fourth proportional to 10,319.04, 14,236.56 and 6,127.20 is: 8,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.04 : 14,236.56 = 6,127.20 : x
  2. Step 2: Convert to fraction form
    10,319.04/14,236.56 = 6,127.20/x
  3. Step 3: Cross multiply
    10,319.04x = 14,236.56 × 6,127.20
  4. Step 4: Simplify right side
    10,319.04x = 87,230,250.43
  5. Step 5: Solve for x
    x = 87,230,250.43/10,319.04
  6. Step 6: Final answer
    x = 8,453.33

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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.