Home / 12,434.99-17,161.17-6,984.50

Finding the Fourth Proportional to 12,434.99, 17,161.17 and 6,984.50

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Solution

The fourth proportional to 12,434.99, 17,161.17 and 6,984.50 is: 9,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.99 : 17,161.17 = 6,984.50 : x
  2. Step 2: Convert to fraction form
    12,434.99/17,161.17 = 6,984.50/x
  3. Step 3: Cross multiply
    12,434.99x = 17,161.17 × 6,984.50
  4. Step 4: Simplify right side
    12,434.99x = 119,862,151.33
  5. Step 5: Solve for x
    x = 119,862,151.33/12,434.99
  6. Step 6: Final answer
    x = 9,639.11

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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.