Home / 19,435.67-26,823.40-10,939.86

Finding the Fourth Proportional to 19,435.67, 26,823.40 and 10,939.86

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Solution

The fourth proportional to 19,435.67, 26,823.40 and 10,939.86 is: 15,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.67 : 26,823.40 = 10,939.86 : x
  2. Step 2: Convert to fraction form
    19,435.67/26,823.40 = 10,939.86/x
  3. Step 3: Cross multiply
    19,435.67x = 26,823.40 × 10,939.86
  4. Step 4: Simplify right side
    19,435.67x = 293,444,274.91
  5. Step 5: Solve for x
    x = 293,444,274.91/19,435.67
  6. Step 6: Final answer
    x = 15,098.23

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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.