Home / 10,309.06-15,463.59-6,821.10

Finding the Fourth Proportional to 10,309.06, 15,463.59 and 6,821.10

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Solution

The fourth proportional to 10,309.06, 15,463.59 and 6,821.10 is: 10,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.06 : 15,463.59 = 6,821.10 : x
  2. Step 2: Convert to fraction form
    10,309.06/15,463.59 = 6,821.10/x
  3. Step 3: Cross multiply
    10,309.06x = 15,463.59 × 6,821.10
  4. Step 4: Simplify right side
    10,309.06x = 105,478,693.75
  5. Step 5: Solve for x
    x = 105,478,693.75/10,309.06
  6. Step 6: Final answer
    x = 10,231.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.