Home / 13,927.12-20,897.84-9,250.36

Finding the Fourth Proportional to 13,927.12, 20,897.84 and 9,250.36

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Solution

The fourth proportional to 13,927.12, 20,897.84 and 9,250.36 is: 13,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.12 : 20,897.84 = 9,250.36 : x
  2. Step 2: Convert to fraction form
    13,927.12/20,897.84 = 9,250.36/x
  3. Step 3: Cross multiply
    13,927.12x = 20,897.84 × 9,250.36
  4. Step 4: Simplify right side
    13,927.12x = 193,312,514.10
  5. Step 5: Solve for x
    x = 193,312,514.10/13,927.12
  6. Step 6: Final answer
    x = 13,880.30

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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.