Home / 14,743.28-20,347.16-11,010.80

Finding the Fourth Proportional to 14,743.28, 20,347.16 and 11,010.80

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Solution

The fourth proportional to 14,743.28, 20,347.16 and 11,010.80 is: 15,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.28 : 20,347.16 = 11,010.80 : x
  2. Step 2: Convert to fraction form
    14,743.28/20,347.16 = 11,010.80/x
  3. Step 3: Cross multiply
    14,743.28x = 20,347.16 × 11,010.80
  4. Step 4: Simplify right side
    14,743.28x = 224,038,509.33
  5. Step 5: Solve for x
    x = 224,038,509.33/14,743.28
  6. Step 6: Final answer
    x = 15,195.97

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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.