Home / 8,988.29-13,462.79-7,410.56

Finding the Fourth Proportional to 8,988.29, 13,462.79 and 7,410.56

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Solution

The fourth proportional to 8,988.29, 13,462.79 and 7,410.56 is: 11,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.29 : 13,462.79 = 7,410.56 : x
  2. Step 2: Convert to fraction form
    8,988.29/13,462.79 = 7,410.56/x
  3. Step 3: Cross multiply
    8,988.29x = 13,462.79 × 7,410.56
  4. Step 4: Simplify right side
    8,988.29x = 99,766,809.67
  5. Step 5: Solve for x
    x = 99,766,809.67/8,988.29
  6. Step 6: Final answer
    x = 11,099.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.