Home / 13,256.60-18,294.62-7,288.83

Finding the Fourth Proportional to 13,256.60, 18,294.62 and 7,288.83

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Solution

The fourth proportional to 13,256.60, 18,294.62 and 7,288.83 is: 10,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.60 : 18,294.62 = 7,288.83 : x
  2. Step 2: Convert to fraction form
    13,256.60/18,294.62 = 7,288.83/x
  3. Step 3: Cross multiply
    13,256.60x = 18,294.62 × 7,288.83
  4. Step 4: Simplify right side
    13,256.60x = 133,346,338.65
  5. Step 5: Solve for x
    x = 133,346,338.65/13,256.60
  6. Step 6: Final answer
    x = 10,058.87

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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.