Home / 11,207.55-15,465.78-6,426.48

Finding the Fourth Proportional to 11,207.55, 15,465.78 and 6,426.48

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Solution

The fourth proportional to 11,207.55, 15,465.78 and 6,426.48 is: 8,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.55 : 15,465.78 = 6,426.48 : x
  2. Step 2: Convert to fraction form
    11,207.55/15,465.78 = 6,426.48/x
  3. Step 3: Cross multiply
    11,207.55x = 15,465.78 × 6,426.48
  4. Step 4: Simplify right side
    11,207.55x = 99,390,525.85
  5. Step 5: Solve for x
    x = 99,390,525.85/11,207.55
  6. Step 6: Final answer
    x = 8,868.18

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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.