Home / 15,840.40-23,744.40-9,263.20

Finding the Fourth Proportional to 15,840.40, 23,744.40 and 9,263.20

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Solution

The fourth proportional to 15,840.40, 23,744.40 and 9,263.20 is: 13,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.40 : 23,744.40 = 9,263.20 : x
  2. Step 2: Convert to fraction form
    15,840.40/23,744.40 = 9,263.20/x
  3. Step 3: Cross multiply
    15,840.40x = 23,744.40 × 9,263.20
  4. Step 4: Simplify right side
    15,840.40x = 219,949,126.08
  5. Step 5: Solve for x
    x = 219,949,126.08/15,840.40
  6. Step 6: Final answer
    x = 13,885.33

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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.