Home / 13,296.49-18,348.80-7,328.16

Finding the Fourth Proportional to 13,296.49, 18,348.80 and 7,328.16

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Solution

The fourth proportional to 13,296.49, 18,348.80 and 7,328.16 is: 10,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.49 : 18,348.80 = 7,328.16 : x
  2. Step 2: Convert to fraction form
    13,296.49/18,348.80 = 7,328.16/x
  3. Step 3: Cross multiply
    13,296.49x = 18,348.80 × 7,328.16
  4. Step 4: Simplify right side
    13,296.49x = 134,462,884.90
  5. Step 5: Solve for x
    x = 134,462,884.90/13,296.49
  6. Step 6: Final answer
    x = 10,112.66

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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.