Home / 19,368.91-26,729.33-10,872.86

Finding the Fourth Proportional to 19,368.91, 26,729.33 and 10,872.86

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Solution

The fourth proportional to 19,368.91, 26,729.33 and 10,872.86 is: 15,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.91 : 26,729.33 = 10,872.86 : x
  2. Step 2: Convert to fraction form
    19,368.91/26,729.33 = 10,872.86/x
  3. Step 3: Cross multiply
    19,368.91x = 26,729.33 × 10,872.86
  4. Step 4: Simplify right side
    19,368.91x = 290,624,208.62
  5. Step 5: Solve for x
    x = 290,624,208.62/19,368.91
  6. Step 6: Final answer
    x = 15,004.68

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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.