Home / 19,742.02-27,244.56-10,789.90

Finding the Fourth Proportional to 19,742.02, 27,244.56 and 10,789.90

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Solution

The fourth proportional to 19,742.02, 27,244.56 and 10,789.90 is: 14,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.02 : 27,244.56 = 10,789.90 : x
  2. Step 2: Convert to fraction form
    19,742.02/27,244.56 = 10,789.90/x
  3. Step 3: Cross multiply
    19,742.02x = 27,244.56 × 10,789.90
  4. Step 4: Simplify right side
    19,742.02x = 293,966,077.94
  5. Step 5: Solve for x
    x = 293,966,077.94/19,742.02
  6. Step 6: Final answer
    x = 14,890.37

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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.