Home / 11,013.74-16,479.28-6,555.10

Finding the Fourth Proportional to 11,013.74, 16,479.28 and 6,555.10

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Solution

The fourth proportional to 11,013.74, 16,479.28 and 6,555.10 is: 9,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.74 : 16,479.28 = 6,555.10 : x
  2. Step 2: Convert to fraction form
    11,013.74/16,479.28 = 6,555.10/x
  3. Step 3: Cross multiply
    11,013.74x = 16,479.28 × 6,555.10
  4. Step 4: Simplify right side
    11,013.74x = 108,023,328.33
  5. Step 5: Solve for x
    x = 108,023,328.33/11,013.74
  6. Step 6: Final answer
    x = 9,808.05

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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.