Home / 13,296.39-18,347.61-7,327.71

Finding the Fourth Proportional to 13,296.39, 18,347.61 and 7,327.71

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Solution

The fourth proportional to 13,296.39, 18,347.61 and 7,327.71 is: 10,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.39 : 18,347.61 = 7,327.71 : x
  2. Step 2: Convert to fraction form
    13,296.39/18,347.61 = 7,327.71/x
  3. Step 3: Cross multiply
    13,296.39x = 18,347.61 × 7,327.71
  4. Step 4: Simplify right side
    13,296.39x = 134,445,965.27
  5. Step 5: Solve for x
    x = 134,445,965.27/13,296.39
  6. Step 6: Final answer
    x = 10,111.46

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Double scale
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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.