Home / 15,111.44-20,846.52-9,807.92

Finding the Fourth Proportional to 15,111.44, 20,846.52 and 9,807.92

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Solution

The fourth proportional to 15,111.44, 20,846.52 and 9,807.92 is: 13,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.44 : 20,846.52 = 9,807.92 : x
  2. Step 2: Convert to fraction form
    15,111.44/20,846.52 = 9,807.92/x
  3. Step 3: Cross multiply
    15,111.44x = 20,846.52 × 9,807.92
  4. Step 4: Simplify right side
    15,111.44x = 204,461,000.44
  5. Step 5: Solve for x
    x = 204,461,000.44/15,111.44
  6. Step 6: Final answer
    x = 13,530.21

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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.