Home / 10,252.76-14,149.68-5,777.39

Finding the Fourth Proportional to 10,252.76, 14,149.68 and 5,777.39

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Solution

The fourth proportional to 10,252.76, 14,149.68 and 5,777.39 is: 7,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.76 : 14,149.68 = 5,777.39 : x
  2. Step 2: Convert to fraction form
    10,252.76/14,149.68 = 5,777.39/x
  3. Step 3: Cross multiply
    10,252.76x = 14,149.68 × 5,777.39
  4. Step 4: Simplify right side
    10,252.76x = 81,748,219.74
  5. Step 5: Solve for x
    x = 81,748,219.74/10,252.76
  6. Step 6: Final answer
    x = 7,973.29

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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.