Home / 19,342.07-26,689.67-11,785.65

Finding the Fourth Proportional to 19,342.07, 26,689.67 and 11,785.65

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Solution

The fourth proportional to 19,342.07, 26,689.67 and 11,785.65 is: 16,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.07 : 26,689.67 = 11,785.65 : x
  2. Step 2: Convert to fraction form
    19,342.07/26,689.67 = 11,785.65/x
  3. Step 3: Cross multiply
    19,342.07x = 26,689.67 × 11,785.65
  4. Step 4: Simplify right side
    19,342.07x = 314,554,994.42
  5. Step 5: Solve for x
    x = 314,554,994.42/19,342.07
  6. Step 6: Final answer
    x = 16,262.74

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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.