Home / 14,331.47-19,803.08-11,211.35

Finding the Fourth Proportional to 14,331.47, 19,803.08 and 11,211.35

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Solution

The fourth proportional to 14,331.47, 19,803.08 and 11,211.35 is: 15,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.47 : 19,803.08 = 11,211.35 : x
  2. Step 2: Convert to fraction form
    14,331.47/19,803.08 = 11,211.35/x
  3. Step 3: Cross multiply
    14,331.47x = 19,803.08 × 11,211.35
  4. Step 4: Simplify right side
    14,331.47x = 222,019,189.97
  5. Step 5: Solve for x
    x = 222,019,189.97/14,331.47
  6. Step 6: Final answer
    x = 15,491.73

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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.