Home / 23,143.32-34,729.16-9,995.40

Finding the Fourth Proportional to 23,143.32, 34,729.16 and 9,995.40

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Solution

The fourth proportional to 23,143.32, 34,729.16 and 9,995.40 is: 14,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.32 : 34,729.16 = 9,995.40 : x
  2. Step 2: Convert to fraction form
    23,143.32/34,729.16 = 9,995.40/x
  3. Step 3: Cross multiply
    23,143.32x = 34,729.16 × 9,995.40
  4. Step 4: Simplify right side
    23,143.32x = 347,131,795.89
  5. Step 5: Solve for x
    x = 347,131,795.89/23,143.32
  6. Step 6: Final answer
    x = 14,999.22

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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.