Home / 15,299.36-22,919.40-8,958.92

Finding the Fourth Proportional to 15,299.36, 22,919.40 and 8,958.92

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Solution

The fourth proportional to 15,299.36, 22,919.40 and 8,958.92 is: 13,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.36 : 22,919.40 = 8,958.92 : x
  2. Step 2: Convert to fraction form
    15,299.36/22,919.40 = 8,958.92/x
  3. Step 3: Cross multiply
    15,299.36x = 22,919.40 × 8,958.92
  4. Step 4: Simplify right side
    15,299.36x = 205,333,071.05
  5. Step 5: Solve for x
    x = 205,333,071.05/15,299.36
  6. Step 6: Final answer
    x = 13,421.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.