Home / 18,920.93-26,110.89-10,967.77

Finding the Fourth Proportional to 18,920.93, 26,110.89 and 10,967.77

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Solution

The fourth proportional to 18,920.93, 26,110.89 and 10,967.77 is: 15,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.93 : 26,110.89 = 10,967.77 : x
  2. Step 2: Convert to fraction form
    18,920.93/26,110.89 = 10,967.77/x
  3. Step 3: Cross multiply
    18,920.93x = 26,110.89 × 10,967.77
  4. Step 4: Simplify right side
    18,920.93x = 286,378,181.18
  5. Step 5: Solve for x
    x = 286,378,181.18/18,920.93
  6. Step 6: Final answer
    x = 15,135.52

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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.