Home / 19,164.32-26,446.76-10,780.82

Finding the Fourth Proportional to 19,164.32, 26,446.76 and 10,780.82

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Solution

The fourth proportional to 19,164.32, 26,446.76 and 10,780.82 is: 14,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.32 : 26,446.76 = 10,780.82 : x
  2. Step 2: Convert to fraction form
    19,164.32/26,446.76 = 10,780.82/x
  3. Step 3: Cross multiply
    19,164.32x = 26,446.76 × 10,780.82
  4. Step 4: Simplify right side
    19,164.32x = 285,117,705.24
  5. Step 5: Solve for x
    x = 285,117,705.24/19,164.32
  6. Step 6: Final answer
    x = 14,877.53

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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.