Home / 19,162.20-26,444.70-10,778.70

Finding the Fourth Proportional to 19,162.20, 26,444.70 and 10,778.70

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Solution

The fourth proportional to 19,162.20, 26,444.70 and 10,778.70 is: 14,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.20 : 26,444.70 = 10,778.70 : x
  2. Step 2: Convert to fraction form
    19,162.20/26,444.70 = 10,778.70/x
  3. Step 3: Cross multiply
    19,162.20x = 26,444.70 × 10,778.70
  4. Step 4: Simplify right side
    19,162.20x = 285,039,487.89
  5. Step 5: Solve for x
    x = 285,039,487.89/19,162.20
  6. Step 6: Final answer
    x = 14,875.09

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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.