Home / 19,285.80-26,611.74-10,787.48

Finding the Fourth Proportional to 19,285.80, 26,611.74 and 10,787.48

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Solution

The fourth proportional to 19,285.80, 26,611.74 and 10,787.48 is: 14,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.80 : 26,611.74 = 10,787.48 : x
  2. Step 2: Convert to fraction form
    19,285.80/26,611.74 = 10,787.48/x
  3. Step 3: Cross multiply
    19,285.80x = 26,611.74 × 10,787.48
  4. Step 4: Simplify right side
    19,285.80x = 287,073,579.75
  5. Step 5: Solve for x
    x = 287,073,579.75/19,285.80
  6. Step 6: Final answer
    x = 14,885.23

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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.