Home / 15,359.44-23,009.60-9,418.98

Finding the Fourth Proportional to 15,359.44, 23,009.60 and 9,418.98

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Solution

The fourth proportional to 15,359.44, 23,009.60 and 9,418.98 is: 14,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.44 : 23,009.60 = 9,418.98 : x
  2. Step 2: Convert to fraction form
    15,359.44/23,009.60 = 9,418.98/x
  3. Step 3: Cross multiply
    15,359.44x = 23,009.60 × 9,418.98
  4. Step 4: Simplify right side
    15,359.44x = 216,726,962.21
  5. Step 5: Solve for x
    x = 216,726,962.21/15,359.44
  6. Step 6: Final answer
    x = 14,110.34

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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.