Home / 13,955.52-20,848.92-8,984.64

Finding the Fourth Proportional to 13,955.52, 20,848.92 and 8,984.64

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Solution

The fourth proportional to 13,955.52, 20,848.92 and 8,984.64 is: 13,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.52 : 20,848.92 = 8,984.64 : x
  2. Step 2: Convert to fraction form
    13,955.52/20,848.92 = 8,984.64/x
  3. Step 3: Cross multiply
    13,955.52x = 20,848.92 × 8,984.64
  4. Step 4: Simplify right side
    13,955.52x = 187,320,040.59
  5. Step 5: Solve for x
    x = 187,320,040.59/13,955.52
  6. Step 6: Final answer
    x = 13,422.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.