Home / 19,810.74-29,714.60-7,324.92

Finding the Fourth Proportional to 19,810.74, 29,714.60 and 7,324.92

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Solution

The fourth proportional to 19,810.74, 29,714.60 and 7,324.92 is: 10,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.74 : 29,714.60 = 7,324.92 : x
  2. Step 2: Convert to fraction form
    19,810.74/29,714.60 = 7,324.92/x
  3. Step 3: Cross multiply
    19,810.74x = 29,714.60 × 7,324.92
  4. Step 4: Simplify right side
    19,810.74x = 217,657,031.21
  5. Step 5: Solve for x
    x = 217,657,031.21/19,810.74
  6. Step 6: Final answer
    x = 10,986.82

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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.