Home / 9,728.81-14,512.60-9,442.02

Finding the Fourth Proportional to 9,728.81, 14,512.60 and 9,442.02

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Solution

The fourth proportional to 9,728.81, 14,512.60 and 9,442.02 is: 14,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.81 : 14,512.60 = 9,442.02 : x
  2. Step 2: Convert to fraction form
    9,728.81/14,512.60 = 9,442.02/x
  3. Step 3: Cross multiply
    9,728.81x = 14,512.60 × 9,442.02
  4. Step 4: Simplify right side
    9,728.81x = 137,028,212.24
  5. Step 5: Solve for x
    x = 137,028,212.24/9,728.81
  6. Step 6: Final answer
    x = 14,084.79

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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.