Home / 19,387.02-29,080.53-6,240.42

Finding the Fourth Proportional to 19,387.02, 29,080.53 and 6,240.42

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Solution

The fourth proportional to 19,387.02, 29,080.53 and 6,240.42 is: 9,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.02 : 29,080.53 = 6,240.42 : x
  2. Step 2: Convert to fraction form
    19,387.02/29,080.53 = 6,240.42/x
  3. Step 3: Cross multiply
    19,387.02x = 29,080.53 × 6,240.42
  4. Step 4: Simplify right side
    19,387.02x = 181,474,721.02
  5. Step 5: Solve for x
    x = 181,474,721.02/19,387.02
  6. Step 6: Final answer
    x = 9,360.63

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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.