Home / 19,080.48-26,319.60-13,787.04

Finding the Fourth Proportional to 19,080.48, 26,319.60 and 13,787.04

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Solution

The fourth proportional to 19,080.48, 26,319.60 and 13,787.04 is: 19,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.48 : 26,319.60 = 13,787.04 : x
  2. Step 2: Convert to fraction form
    19,080.48/26,319.60 = 13,787.04/x
  3. Step 3: Cross multiply
    19,080.48x = 26,319.60 × 13,787.04
  4. Step 4: Simplify right side
    19,080.48x = 362,869,377.98
  5. Step 5: Solve for x
    x = 362,869,377.98/19,080.48
  6. Step 6: Final answer
    x = 19,017.83

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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.