Home / 9,521.19-14,331.44-8,615.61

Finding the Fourth Proportional to 9,521.19, 14,331.44 and 8,615.61

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Solution

The fourth proportional to 9,521.19, 14,331.44 and 8,615.61 is: 12,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.19 : 14,331.44 = 8,615.61 : x
  2. Step 2: Convert to fraction form
    9,521.19/14,331.44 = 8,615.61/x
  3. Step 3: Cross multiply
    9,521.19x = 14,331.44 × 8,615.61
  4. Step 4: Simplify right side
    9,521.19x = 123,474,054.70
  5. Step 5: Solve for x
    x = 123,474,054.70/9,521.19
  6. Step 6: Final answer
    x = 12,968.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.