Home / 10,661.01-14,721.48-6,688.95

Finding the Fourth Proportional to 10,661.01, 14,721.48 and 6,688.95

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Solution

The fourth proportional to 10,661.01, 14,721.48 and 6,688.95 is: 9,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.01 : 14,721.48 = 6,688.95 : x
  2. Step 2: Convert to fraction form
    10,661.01/14,721.48 = 6,688.95/x
  3. Step 3: Cross multiply
    10,661.01x = 14,721.48 × 6,688.95
  4. Step 4: Simplify right side
    10,661.01x = 98,471,243.65
  5. Step 5: Solve for x
    x = 98,471,243.65/10,661.01
  6. Step 6: Final answer
    x = 9,236.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.