Home / 13,025.79-17,974.50-7,647.66

Finding the Fourth Proportional to 13,025.79, 17,974.50 and 7,647.66

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Solution

The fourth proportional to 13,025.79, 17,974.50 and 7,647.66 is: 10,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.79 : 17,974.50 = 7,647.66 : x
  2. Step 2: Convert to fraction form
    13,025.79/17,974.50 = 7,647.66/x
  3. Step 3: Cross multiply
    13,025.79x = 17,974.50 × 7,647.66
  4. Step 4: Simplify right side
    13,025.79x = 137,462,864.67
  5. Step 5: Solve for x
    x = 137,462,864.67/13,025.79
  6. Step 6: Final answer
    x = 10,553.13

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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.