Home / 9,970.16-14,955.84-3,728.70

Finding the Fourth Proportional to 9,970.16, 14,955.84 and 3,728.70

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Solution

The fourth proportional to 9,970.16, 14,955.84 and 3,728.70 is: 5,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.16 : 14,955.84 = 3,728.70 : x
  2. Step 2: Convert to fraction form
    9,970.16/14,955.84 = 3,728.70/x
  3. Step 3: Cross multiply
    9,970.16x = 14,955.84 × 3,728.70
  4. Step 4: Simplify right side
    9,970.16x = 55,765,840.61
  5. Step 5: Solve for x
    x = 55,765,840.61/9,970.16
  6. Step 6: Final answer
    x = 5,593.28

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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.