Home / 9,972.19-14,957.67-4,128.64

Finding the Fourth Proportional to 9,972.19, 14,957.67 and 4,128.64

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Solution

The fourth proportional to 9,972.19, 14,957.67 and 4,128.64 is: 6,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.19 : 14,957.67 = 4,128.64 : x
  2. Step 2: Convert to fraction form
    9,972.19/14,957.67 = 4,128.64/x
  3. Step 3: Cross multiply
    9,972.19x = 14,957.67 × 4,128.64
  4. Step 4: Simplify right side
    9,972.19x = 61,754,834.67
  5. Step 5: Solve for x
    x = 61,754,834.67/9,972.19
  6. Step 6: Final answer
    x = 6,192.71

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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.