Home / 19,376.20-26,739.65-10,878.98

Finding the Fourth Proportional to 19,376.20, 26,739.65 and 10,878.98

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Solution

The fourth proportional to 19,376.20, 26,739.65 and 10,878.98 is: 15,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.20 : 26,739.65 = 10,878.98 : x
  2. Step 2: Convert to fraction form
    19,376.20/26,739.65 = 10,878.98/x
  3. Step 3: Cross multiply
    19,376.20x = 26,739.65 × 10,878.98
  4. Step 4: Simplify right side
    19,376.20x = 290,900,228.38
  5. Step 5: Solve for x
    x = 290,900,228.38/19,376.20
  6. Step 6: Final answer
    x = 15,013.27

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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.