Home / 15,753.07-21,739.79-9,040.06

Finding the Fourth Proportional to 15,753.07, 21,739.79 and 9,040.06

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Solution

The fourth proportional to 15,753.07, 21,739.79 and 9,040.06 is: 12,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.07 : 21,739.79 = 9,040.06 : x
  2. Step 2: Convert to fraction form
    15,753.07/21,739.79 = 9,040.06/x
  3. Step 3: Cross multiply
    15,753.07x = 21,739.79 × 9,040.06
  4. Step 4: Simplify right side
    15,753.07x = 196,528,974.24
  5. Step 5: Solve for x
    x = 196,528,974.24/15,753.07
  6. Step 6: Final answer
    x = 12,475.60

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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.