Home / 18,938.13-26,137.65-14,895.82

Finding the Fourth Proportional to 18,938.13, 26,137.65 and 14,895.82

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Solution

The fourth proportional to 18,938.13, 26,137.65 and 14,895.82 is: 20,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.13 : 26,137.65 = 14,895.82 : x
  2. Step 2: Convert to fraction form
    18,938.13/26,137.65 = 14,895.82/x
  3. Step 3: Cross multiply
    18,938.13x = 26,137.65 × 14,895.82
  4. Step 4: Simplify right side
    18,938.13x = 389,341,729.62
  5. Step 5: Solve for x
    x = 389,341,729.62/18,938.13
  6. Step 6: Final answer
    x = 20,558.62

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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.