Home / 18,950.41-26,153.98-15,758.21

Finding the Fourth Proportional to 18,950.41, 26,153.98 and 15,758.21

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Solution

The fourth proportional to 18,950.41, 26,153.98 and 15,758.21 is: 21,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.41 : 26,153.98 = 15,758.21 : x
  2. Step 2: Convert to fraction form
    18,950.41/26,153.98 = 15,758.21/x
  3. Step 3: Cross multiply
    18,950.41x = 26,153.98 × 15,758.21
  4. Step 4: Simplify right side
    18,950.41x = 412,139,909.18
  5. Step 5: Solve for x
    x = 412,139,909.18/18,950.41
  6. Step 6: Final answer
    x = 21,748.34

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Double scale
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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.