Home / 12,326.92-17,011.18-7,021.76

Finding the Fourth Proportional to 12,326.92, 17,011.18 and 7,021.76

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Solution

The fourth proportional to 12,326.92, 17,011.18 and 7,021.76 is: 9,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.92 : 17,011.18 = 7,021.76 : x
  2. Step 2: Convert to fraction form
    12,326.92/17,011.18 = 7,021.76/x
  3. Step 3: Cross multiply
    12,326.92x = 17,011.18 × 7,021.76
  4. Step 4: Simplify right side
    12,326.92x = 119,448,423.28
  5. Step 5: Solve for x
    x = 119,448,423.28/12,326.92
  6. Step 6: Final answer
    x = 9,690.05

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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.