Home / 13,587.03-20,367.99-9,428.99

Finding the Fourth Proportional to 13,587.03, 20,367.99 and 9,428.99

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Solution

The fourth proportional to 13,587.03, 20,367.99 and 9,428.99 is: 14,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.03 : 20,367.99 = 9,428.99 : x
  2. Step 2: Convert to fraction form
    13,587.03/20,367.99 = 9,428.99/x
  3. Step 3: Cross multiply
    13,587.03x = 20,367.99 × 9,428.99
  4. Step 4: Simplify right side
    13,587.03x = 192,049,472.19
  5. Step 5: Solve for x
    x = 192,049,472.19/13,587.03
  6. Step 6: Final answer
    x = 14,134.76

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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.