Home / 14,728.36-20,325.13-8,013.98

Finding the Fourth Proportional to 14,728.36, 20,325.13 and 8,013.98

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Solution

The fourth proportional to 14,728.36, 20,325.13 and 8,013.98 is: 11,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.36 : 20,325.13 = 8,013.98 : x
  2. Step 2: Convert to fraction form
    14,728.36/20,325.13 = 8,013.98/x
  3. Step 3: Cross multiply
    14,728.36x = 20,325.13 × 8,013.98
  4. Step 4: Simplify right side
    14,728.36x = 162,885,185.32
  5. Step 5: Solve for x
    x = 162,885,185.32/14,728.36
  6. Step 6: Final answer
    x = 11,059.29

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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.