Home / 14,276.28-19,701.33-7,988.25

Finding the Fourth Proportional to 14,276.28, 19,701.33 and 7,988.25

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Solution

The fourth proportional to 14,276.28, 19,701.33 and 7,988.25 is: 11,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.28 : 19,701.33 = 7,988.25 : x
  2. Step 2: Convert to fraction form
    14,276.28/19,701.33 = 7,988.25/x
  3. Step 3: Cross multiply
    14,276.28x = 19,701.33 × 7,988.25
  4. Step 4: Simplify right side
    14,276.28x = 157,379,149.37
  5. Step 5: Solve for x
    x = 157,379,149.37/14,276.28
  6. Step 6: Final answer
    x = 11,023.82

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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.