Home / 14,918.31-22,240.24-14,218.47

Finding the Fourth Proportional to 14,918.31, 22,240.24 and 14,218.47

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Solution

The fourth proportional to 14,918.31, 22,240.24 and 14,218.47 is: 21,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.31 : 22,240.24 = 14,218.47 : x
  2. Step 2: Convert to fraction form
    14,918.31/22,240.24 = 14,218.47/x
  3. Step 3: Cross multiply
    14,918.31x = 22,240.24 × 14,218.47
  4. Step 4: Simplify right side
    14,918.31x = 316,222,149.69
  5. Step 5: Solve for x
    x = 316,222,149.69/14,918.31
  6. Step 6: Final answer
    x = 21,196.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.