Home / 13,246.01-18,279.43-7,277.66

Finding the Fourth Proportional to 13,246.01, 18,279.43 and 7,277.66

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Solution

The fourth proportional to 13,246.01, 18,279.43 and 7,277.66 is: 10,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.01 : 18,279.43 = 7,277.66 : x
  2. Step 2: Convert to fraction form
    13,246.01/18,279.43 = 7,277.66/x
  3. Step 3: Cross multiply
    13,246.01x = 18,279.43 × 7,277.66
  4. Step 4: Simplify right side
    13,246.01x = 133,031,476.53
  5. Step 5: Solve for x
    x = 133,031,476.53/13,246.01
  6. Step 6: Final answer
    x = 10,043.14

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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.