Home / 19,649.97-29,417.02-12,974.22

Finding the Fourth Proportional to 19,649.97, 29,417.02 and 12,974.22

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Solution

The fourth proportional to 19,649.97, 29,417.02 and 12,974.22 is: 19,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.97 : 29,417.02 = 12,974.22 : x
  2. Step 2: Convert to fraction form
    19,649.97/29,417.02 = 12,974.22/x
  3. Step 3: Cross multiply
    19,649.97x = 29,417.02 × 12,974.22
  4. Step 4: Simplify right side
    19,649.97x = 381,662,889.22
  5. Step 5: Solve for x
    x = 381,662,889.22/19,649.97
  6. Step 6: Final answer
    x = 19,423.08

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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.