Home / 15,822.80-23,705.40-9,659.60

Finding the Fourth Proportional to 15,822.80, 23,705.40 and 9,659.60

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Solution

The fourth proportional to 15,822.80, 23,705.40 and 9,659.60 is: 14,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.80 : 23,705.40 = 9,659.60 : x
  2. Step 2: Convert to fraction form
    15,822.80/23,705.40 = 9,659.60/x
  3. Step 3: Cross multiply
    15,822.80x = 23,705.40 × 9,659.60
  4. Step 4: Simplify right side
    15,822.80x = 228,984,681.84
  5. Step 5: Solve for x
    x = 228,984,681.84/15,822.80
  6. Step 6: Final answer
    x = 14,471.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.