Home / 14,276.38-19,701.45-7,988.74

Finding the Fourth Proportional to 14,276.38, 19,701.45 and 7,988.74

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Solution

The fourth proportional to 14,276.38, 19,701.45 and 7,988.74 is: 11,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.38 : 19,701.45 = 7,988.74 : x
  2. Step 2: Convert to fraction form
    14,276.38/19,701.45 = 7,988.74/x
  3. Step 3: Cross multiply
    14,276.38x = 19,701.45 × 7,988.74
  4. Step 4: Simplify right side
    14,276.38x = 157,389,761.67
  5. Step 5: Solve for x
    x = 157,389,761.67/14,276.38
  6. Step 6: Final answer
    x = 11,024.49

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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.