Home / 26,156.79-39,182.58-12,097.08

Finding the Fourth Proportional to 26,156.79, 39,182.58 and 12,097.08

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Solution

The fourth proportional to 26,156.79, 39,182.58 and 12,097.08 is: 18,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.79 : 39,182.58 = 12,097.08 : x
  2. Step 2: Convert to fraction form
    26,156.79/39,182.58 = 12,097.08/x
  3. Step 3: Cross multiply
    26,156.79x = 39,182.58 × 12,097.08
  4. Step 4: Simplify right side
    26,156.79x = 473,994,804.87
  5. Step 5: Solve for x
    x = 473,994,804.87/26,156.79
  6. Step 6: Final answer
    x = 18,121.29

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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.