Home / 17,897.20-26,845.80-13,758.10

Finding the Fourth Proportional to 17,897.20, 26,845.80 and 13,758.10

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Solution

The fourth proportional to 17,897.20, 26,845.80 and 13,758.10 is: 20,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.20 : 26,845.80 = 13,758.10 : x
  2. Step 2: Convert to fraction form
    17,897.20/26,845.80 = 13,758.10/x
  3. Step 3: Cross multiply
    17,897.20x = 26,845.80 × 13,758.10
  4. Step 4: Simplify right side
    17,897.20x = 369,347,200.98
  5. Step 5: Solve for x
    x = 369,347,200.98/17,897.20
  6. Step 6: Final answer
    x = 20,637.15

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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.