Home / 13,972.02-20,963.95-6,576.31

Finding the Fourth Proportional to 13,972.02, 20,963.95 and 6,576.31

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Solution

The fourth proportional to 13,972.02, 20,963.95 and 6,576.31 is: 9,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.02 : 20,963.95 = 6,576.31 : x
  2. Step 2: Convert to fraction form
    13,972.02/20,963.95 = 6,576.31/x
  3. Step 3: Cross multiply
    13,972.02x = 20,963.95 × 6,576.31
  4. Step 4: Simplify right side
    13,972.02x = 137,865,443.79
  5. Step 5: Solve for x
    x = 137,865,443.79/13,972.02
  6. Step 6: Final answer
    x = 9,867.25

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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.