Home / 19,318.91-26,660.75-10,820.93

Finding the Fourth Proportional to 19,318.91, 26,660.75 and 10,820.93

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Solution

The fourth proportional to 19,318.91, 26,660.75 and 10,820.93 is: 14,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.91 : 26,660.75 = 10,820.93 : x
  2. Step 2: Convert to fraction form
    19,318.91/26,660.75 = 10,820.93/x
  3. Step 3: Cross multiply
    19,318.91x = 26,660.75 × 10,820.93
  4. Step 4: Simplify right side
    19,318.91x = 288,493,922.09
  5. Step 5: Solve for x
    x = 288,493,922.09/19,318.91
  6. Step 6: Final answer
    x = 14,933.24

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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.