Home / 13,231.61-18,259.55-7,263.38

Finding the Fourth Proportional to 13,231.61, 18,259.55 and 7,263.38

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Solution

The fourth proportional to 13,231.61, 18,259.55 and 7,263.38 is: 10,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.61 : 18,259.55 = 7,263.38 : x
  2. Step 2: Convert to fraction form
    13,231.61/18,259.55 = 7,263.38/x
  3. Step 3: Cross multiply
    13,231.61x = 18,259.55 × 7,263.38
  4. Step 4: Simplify right side
    13,231.61x = 132,626,050.28
  5. Step 5: Solve for x
    x = 132,626,050.28/13,231.61
  6. Step 6: Final answer
    x = 10,023.42

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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.