Home / 11,206.27-15,465.72-6,730.21

Finding the Fourth Proportional to 11,206.27, 15,465.72 and 6,730.21

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Solution

The fourth proportional to 11,206.27, 15,465.72 and 6,730.21 is: 9,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.27 : 15,465.72 = 6,730.21 : x
  2. Step 2: Convert to fraction form
    11,206.27/15,465.72 = 6,730.21/x
  3. Step 3: Cross multiply
    11,206.27x = 15,465.72 × 6,730.21
  4. Step 4: Simplify right side
    11,206.27x = 104,087,543.40
  5. Step 5: Solve for x
    x = 104,087,543.40/11,206.27
  6. Step 6: Final answer
    x = 9,288.33

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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.