Home / 12,023.15-16,591.16-6,988.19

Finding the Fourth Proportional to 12,023.15, 16,591.16 and 6,988.19

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Solution

The fourth proportional to 12,023.15, 16,591.16 and 6,988.19 is: 9,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.15 : 16,591.16 = 6,988.19 : x
  2. Step 2: Convert to fraction form
    12,023.15/16,591.16 = 6,988.19/x
  3. Step 3: Cross multiply
    12,023.15x = 16,591.16 × 6,988.19
  4. Step 4: Simplify right side
    12,023.15x = 115,942,112.92
  5. Step 5: Solve for x
    x = 115,942,112.92/12,023.15
  6. Step 6: Final answer
    x = 9,643.24

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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.