Home / 14,208.05-21,292.78-7,542.86

Finding the Fourth Proportional to 14,208.05, 21,292.78 and 7,542.86

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Solution

The fourth proportional to 14,208.05, 21,292.78 and 7,542.86 is: 11,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.05 : 21,292.78 = 7,542.86 : x
  2. Step 2: Convert to fraction form
    14,208.05/21,292.78 = 7,542.86/x
  3. Step 3: Cross multiply
    14,208.05x = 21,292.78 × 7,542.86
  4. Step 4: Simplify right side
    14,208.05x = 160,608,386.46
  5. Step 5: Solve for x
    x = 160,608,386.46/14,208.05
  6. Step 6: Final answer
    x = 11,304.05

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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.