Home / 11,923.52-17,868.64-10,159.36

Finding the Fourth Proportional to 11,923.52, 17,868.64 and 10,159.36

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Solution

The fourth proportional to 11,923.52, 17,868.64 and 10,159.36 is: 15,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.52 : 17,868.64 = 10,159.36 : x
  2. Step 2: Convert to fraction form
    11,923.52/17,868.64 = 10,159.36/x
  3. Step 3: Cross multiply
    11,923.52x = 17,868.64 × 10,159.36
  4. Step 4: Simplify right side
    11,923.52x = 181,533,946.47
  5. Step 5: Solve for x
    x = 181,533,946.47/11,923.52
  6. Step 6: Final answer
    x = 15,224.86

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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.