Home / 12,434.92-17,153.64-7,711.00

Finding the Fourth Proportional to 12,434.92, 17,153.64 and 7,711.00

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Solution

The fourth proportional to 12,434.92, 17,153.64 and 7,711.00 is: 10,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.92 : 17,153.64 = 7,711.00 : x
  2. Step 2: Convert to fraction form
    12,434.92/17,153.64 = 7,711.00/x
  3. Step 3: Cross multiply
    12,434.92x = 17,153.64 × 7,711.00
  4. Step 4: Simplify right side
    12,434.92x = 132,271,675.16
  5. Step 5: Solve for x
    x = 132,271,675.16/12,434.92
  6. Step 6: Final answer
    x = 10,637.12

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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.