Home / 19,644.32-27,112.02-11,031.47

Finding the Fourth Proportional to 19,644.32, 27,112.02 and 11,031.47

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Solution

The fourth proportional to 19,644.32, 27,112.02 and 11,031.47 is: 15,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.32 : 27,112.02 = 11,031.47 : x
  2. Step 2: Convert to fraction form
    19,644.32/27,112.02 = 11,031.47/x
  3. Step 3: Cross multiply
    19,644.32x = 27,112.02 × 11,031.47
  4. Step 4: Simplify right side
    19,644.32x = 299,085,435.27
  5. Step 5: Solve for x
    x = 299,085,435.27/19,644.32
  6. Step 6: Final answer
    x = 15,225.03

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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.