Home / 13,264.80-18,304.76-7,296.72

Finding the Fourth Proportional to 13,264.80, 18,304.76 and 7,296.72

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Solution

The fourth proportional to 13,264.80, 18,304.76 and 7,296.72 is: 10,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.80 : 18,304.76 = 7,296.72 : x
  2. Step 2: Convert to fraction form
    13,264.80/18,304.76 = 7,296.72/x
  3. Step 3: Cross multiply
    13,264.80x = 18,304.76 × 7,296.72
  4. Step 4: Simplify right side
    13,264.80x = 133,564,708.39
  5. Step 5: Solve for x
    x = 133,564,708.39/13,264.80
  6. Step 6: Final answer
    x = 10,069.11

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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.