Home / 11,280.06-15,569.70-7,923.66

Finding the Fourth Proportional to 11,280.06, 15,569.70 and 7,923.66

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Solution

The fourth proportional to 11,280.06, 15,569.70 and 7,923.66 is: 10,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.06 : 15,569.70 = 7,923.66 : x
  2. Step 2: Convert to fraction form
    11,280.06/15,569.70 = 7,923.66/x
  3. Step 3: Cross multiply
    11,280.06x = 15,569.70 × 7,923.66
  4. Step 4: Simplify right side
    11,280.06x = 123,369,009.10
  5. Step 5: Solve for x
    x = 123,369,009.10/11,280.06
  6. Step 6: Final answer
    x = 10,936.91

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1.5x scale

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.