Home / 19,318.16-26,659.72-10,820.65

Finding the Fourth Proportional to 19,318.16, 26,659.72 and 10,820.65

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Solution

The fourth proportional to 19,318.16, 26,659.72 and 10,820.65 is: 14,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.16 : 26,659.72 = 10,820.65 : x
  2. Step 2: Convert to fraction form
    19,318.16/26,659.72 = 10,820.65/x
  3. Step 3: Cross multiply
    19,318.16x = 26,659.72 × 10,820.65
  4. Step 4: Simplify right side
    19,318.16x = 288,475,365.92
  5. Step 5: Solve for x
    x = 288,475,365.92/19,318.16
  6. Step 6: Final answer
    x = 14,932.86

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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.