Home / 15,768.02-21,747.56-10,103.30

Finding the Fourth Proportional to 15,768.02, 21,747.56 and 10,103.30

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Solution

The fourth proportional to 15,768.02, 21,747.56 and 10,103.30 is: 13,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.02 : 21,747.56 = 10,103.30 : x
  2. Step 2: Convert to fraction form
    15,768.02/21,747.56 = 10,103.30/x
  3. Step 3: Cross multiply
    15,768.02x = 21,747.56 × 10,103.30
  4. Step 4: Simplify right side
    15,768.02x = 219,722,014.21
  5. Step 5: Solve for x
    x = 219,722,014.21/15,768.02
  6. Step 6: Final answer
    x = 13,934.66

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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.