Home / 19,285.48-26,613.52-10,787.72

Finding the Fourth Proportional to 19,285.48, 26,613.52 and 10,787.72

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Solution

The fourth proportional to 19,285.48, 26,613.52 and 10,787.72 is: 14,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.48 : 26,613.52 = 10,787.72 : x
  2. Step 2: Convert to fraction form
    19,285.48/26,613.52 = 10,787.72/x
  3. Step 3: Cross multiply
    19,285.48x = 26,613.52 × 10,787.72
  4. Step 4: Simplify right side
    19,285.48x = 287,099,201.97
  5. Step 5: Solve for x
    x = 287,099,201.97/19,285.48
  6. Step 6: Final answer
    x = 14,886.81

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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.