Home / 11,006.72-16,510.10-3,215.53

Finding the Fourth Proportional to 11,006.72, 16,510.10 and 3,215.53

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Solution

The fourth proportional to 11,006.72, 16,510.10 and 3,215.53 is: 4,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.72 : 16,510.10 = 3,215.53 : x
  2. Step 2: Convert to fraction form
    11,006.72/16,510.10 = 3,215.53/x
  3. Step 3: Cross multiply
    11,006.72x = 16,510.10 × 3,215.53
  4. Step 4: Simplify right side
    11,006.72x = 53,088,726.41
  5. Step 5: Solve for x
    x = 53,088,726.41/11,006.72
  6. Step 6: Final answer
    x = 4,823.30

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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.