Home / 12,393.34-17,101.20-7,356.76

Finding the Fourth Proportional to 12,393.34, 17,101.20 and 7,356.76

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Solution

The fourth proportional to 12,393.34, 17,101.20 and 7,356.76 is: 10,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.34 : 17,101.20 = 7,356.76 : x
  2. Step 2: Convert to fraction form
    12,393.34/17,101.20 = 7,356.76/x
  3. Step 3: Cross multiply
    12,393.34x = 17,101.20 × 7,356.76
  4. Step 4: Simplify right side
    12,393.34x = 125,809,424.11
  5. Step 5: Solve for x
    x = 125,809,424.11/12,393.34
  6. Step 6: Final answer
    x = 10,151.37

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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.