Home / 14,401.49-19,882.57-12,803.71

Finding the Fourth Proportional to 14,401.49, 19,882.57 and 12,803.71

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Solution

The fourth proportional to 14,401.49, 19,882.57 and 12,803.71 is: 17,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.49 : 19,882.57 = 12,803.71 : x
  2. Step 2: Convert to fraction form
    14,401.49/19,882.57 = 12,803.71/x
  3. Step 3: Cross multiply
    14,401.49x = 19,882.57 × 12,803.71
  4. Step 4: Simplify right side
    14,401.49x = 254,570,641.81
  5. Step 5: Solve for x
    x = 254,570,641.81/14,401.49
  6. Step 6: Final answer
    x = 17,676.69

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Similar ratio
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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.