Home / 8,864.20-13,272.90-7,100.92

Finding the Fourth Proportional to 8,864.20, 13,272.90 and 7,100.92

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Solution

The fourth proportional to 8,864.20, 13,272.90 and 7,100.92 is: 10,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.20 : 13,272.90 = 7,100.92 : x
  2. Step 2: Convert to fraction form
    8,864.20/13,272.90 = 7,100.92/x
  3. Step 3: Cross multiply
    8,864.20x = 13,272.90 × 7,100.92
  4. Step 4: Simplify right side
    8,864.20x = 94,249,801.07
  5. Step 5: Solve for x
    x = 94,249,801.07/8,864.20
  6. Step 6: Final answer
    x = 10,632.63

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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.