Home / 9,127.99-13,686.26-4,191.29

Finding the Fourth Proportional to 9,127.99, 13,686.26 and 4,191.29

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Solution

The fourth proportional to 9,127.99, 13,686.26 and 4,191.29 is: 6,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.99 : 13,686.26 = 4,191.29 : x
  2. Step 2: Convert to fraction form
    9,127.99/13,686.26 = 4,191.29/x
  3. Step 3: Cross multiply
    9,127.99x = 13,686.26 × 4,191.29
  4. Step 4: Simplify right side
    9,127.99x = 57,363,063.72
  5. Step 5: Solve for x
    x = 57,363,063.72/9,127.99
  6. Step 6: Final answer
    x = 6,284.31

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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.