Home / 11,155.38-16,711.38-6,210.06

Finding the Fourth Proportional to 11,155.38, 16,711.38 and 6,210.06

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Solution

The fourth proportional to 11,155.38, 16,711.38 and 6,210.06 is: 9,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.38 : 16,711.38 = 6,210.06 : x
  2. Step 2: Convert to fraction form
    11,155.38/16,711.38 = 6,210.06/x
  3. Step 3: Cross multiply
    11,155.38x = 16,711.38 × 6,210.06
  4. Step 4: Simplify right side
    11,155.38x = 103,778,672.48
  5. Step 5: Solve for x
    x = 103,778,672.48/11,155.38
  6. Step 6: Final answer
    x = 9,303.02

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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.