Home / 14,695.25-20,285.66-9,921.66

Finding the Fourth Proportional to 14,695.25, 20,285.66 and 9,921.66

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Solution

The fourth proportional to 14,695.25, 20,285.66 and 9,921.66 is: 13,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.25 : 20,285.66 = 9,921.66 : x
  2. Step 2: Convert to fraction form
    14,695.25/20,285.66 = 9,921.66/x
  3. Step 3: Cross multiply
    14,695.25x = 20,285.66 × 9,921.66
  4. Step 4: Simplify right side
    14,695.25x = 201,267,371.79
  5. Step 5: Solve for x
    x = 201,267,371.79/14,695.25
  6. Step 6: Final answer
    x = 13,696.08

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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.