Home / 19,739.74-27,240.50-10,787.04

Finding the Fourth Proportional to 19,739.74, 27,240.50 and 10,787.04

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Solution

The fourth proportional to 19,739.74, 27,240.50 and 10,787.04 is: 14,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.74 : 27,240.50 = 10,787.04 : x
  2. Step 2: Convert to fraction form
    19,739.74/27,240.50 = 10,787.04/x
  3. Step 3: Cross multiply
    19,739.74x = 27,240.50 × 10,787.04
  4. Step 4: Simplify right side
    19,739.74x = 293,844,363.12
  5. Step 5: Solve for x
    x = 293,844,363.12/19,739.74
  6. Step 6: Final answer
    x = 14,885.93

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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.