Home / 23,053.44-31,815.36-13,117.44

Finding the Fourth Proportional to 23,053.44, 31,815.36 and 13,117.44

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Solution

The fourth proportional to 23,053.44, 31,815.36 and 13,117.44 is: 18,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,053.44 : 31,815.36 = 13,117.44 : x
  2. Step 2: Convert to fraction form
    23,053.44/31,815.36 = 13,117.44/x
  3. Step 3: Cross multiply
    23,053.44x = 31,815.36 × 13,117.44
  4. Step 4: Simplify right side
    23,053.44x = 417,336,075.88
  5. Step 5: Solve for x
    x = 417,336,075.88/23,053.44
  6. Step 6: Final answer
    x = 18,102.98

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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.