Home / 15,838.76-21,832.37-12,476.25

Finding the Fourth Proportional to 15,838.76, 21,832.37 and 12,476.25

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Solution

The fourth proportional to 15,838.76, 21,832.37 and 12,476.25 is: 17,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.76 : 21,832.37 = 12,476.25 : x
  2. Step 2: Convert to fraction form
    15,838.76/21,832.37 = 12,476.25/x
  3. Step 3: Cross multiply
    15,838.76x = 21,832.37 × 12,476.25
  4. Step 4: Simplify right side
    15,838.76x = 272,386,043.83
  5. Step 5: Solve for x
    x = 272,386,043.83/15,838.76
  6. Step 6: Final answer
    x = 17,197.43

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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.