Home / 13,264.80-18,305.22-7,296.11

Finding the Fourth Proportional to 13,264.80, 18,305.22 and 7,296.11

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Solution

The fourth proportional to 13,264.80, 18,305.22 and 7,296.11 is: 10,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.80 : 18,305.22 = 7,296.11 : x
  2. Step 2: Convert to fraction form
    13,264.80/18,305.22 = 7,296.11/x
  3. Step 3: Cross multiply
    13,264.80x = 18,305.22 × 7,296.11
  4. Step 4: Simplify right side
    13,264.80x = 133,556,903.17
  5. Step 5: Solve for x
    x = 133,556,903.17/13,264.80
  6. Step 6: Final answer
    x = 10,068.52

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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.