Home / 14,799.11-20,399.05-10,017.55

Finding the Fourth Proportional to 14,799.11, 20,399.05 and 10,017.55

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Solution

The fourth proportional to 14,799.11, 20,399.05 and 10,017.55 is: 13,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.11 : 20,399.05 = 10,017.55 : x
  2. Step 2: Convert to fraction form
    14,799.11/20,399.05 = 10,017.55/x
  3. Step 3: Cross multiply
    14,799.11x = 20,399.05 × 10,017.55
  4. Step 4: Simplify right side
    14,799.11x = 204,348,503.33
  5. Step 5: Solve for x
    x = 204,348,503.33/14,799.11
  6. Step 6: Final answer
    x = 13,808.16

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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.