Home / 9,429.54-13,013.40-5,451.66

Finding the Fourth Proportional to 9,429.54, 13,013.40 and 5,451.66

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Solution

The fourth proportional to 9,429.54, 13,013.40 and 5,451.66 is: 7,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.54 : 13,013.40 = 5,451.66 : x
  2. Step 2: Convert to fraction form
    9,429.54/13,013.40 = 5,451.66/x
  3. Step 3: Cross multiply
    9,429.54x = 13,013.40 × 5,451.66
  4. Step 4: Simplify right side
    9,429.54x = 70,944,632.24
  5. Step 5: Solve for x
    x = 70,944,632.24/9,429.54
  6. Step 6: Final answer
    x = 7,523.66

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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.