Home / 13,416.76-20,104.62-9,017.92

Finding the Fourth Proportional to 13,416.76, 20,104.62 and 9,017.92

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Solution

The fourth proportional to 13,416.76, 20,104.62 and 9,017.92 is: 13,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.76 : 20,104.62 = 9,017.92 : x
  2. Step 2: Convert to fraction form
    13,416.76/20,104.62 = 9,017.92/x
  3. Step 3: Cross multiply
    13,416.76x = 20,104.62 × 9,017.92
  4. Step 4: Simplify right side
    13,416.76x = 181,301,854.79
  5. Step 5: Solve for x
    x = 181,301,854.79/13,416.76
  6. Step 6: Final answer
    x = 13,513.09

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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.