Home / 15,840.24-23,755.56-8,339.72

Finding the Fourth Proportional to 15,840.24, 23,755.56 and 8,339.72

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Solution

The fourth proportional to 15,840.24, 23,755.56 and 8,339.72 is: 12,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.24 : 23,755.56 = 8,339.72 : x
  2. Step 2: Convert to fraction form
    15,840.24/23,755.56 = 8,339.72/x
  3. Step 3: Cross multiply
    15,840.24x = 23,755.56 × 8,339.72
  4. Step 4: Simplify right side
    15,840.24x = 198,114,718.84
  5. Step 5: Solve for x
    x = 198,114,718.84/15,840.24
  6. Step 6: Final answer
    x = 12,507.05

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1.5x scale

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.