Home / 13,327.23-18,391.65-7,358.92

Finding the Fourth Proportional to 13,327.23, 18,391.65 and 7,358.92

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Solution

The fourth proportional to 13,327.23, 18,391.65 and 7,358.92 is: 10,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.23 : 18,391.65 = 7,358.92 : x
  2. Step 2: Convert to fraction form
    13,327.23/18,391.65 = 7,358.92/x
  3. Step 3: Cross multiply
    13,327.23x = 18,391.65 × 7,358.92
  4. Step 4: Simplify right side
    13,327.23x = 135,342,681.02
  5. Step 5: Solve for x
    x = 135,342,681.02/13,327.23
  6. Step 6: Final answer
    x = 10,155.35

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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.