Home / 14,728.04-20,324.79-8,013.72

Finding the Fourth Proportional to 14,728.04, 20,324.79 and 8,013.72

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Solution

The fourth proportional to 14,728.04, 20,324.79 and 8,013.72 is: 11,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.04 : 20,324.79 = 8,013.72 : x
  2. Step 2: Convert to fraction form
    14,728.04/20,324.79 = 8,013.72/x
  3. Step 3: Cross multiply
    14,728.04x = 20,324.79 × 8,013.72
  4. Step 4: Simplify right side
    14,728.04x = 162,877,176.12
  5. Step 5: Solve for x
    x = 162,877,176.12/14,728.04
  6. Step 6: Final answer
    x = 11,058.99

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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.