Home / 19,787.48-27,308.04-11,404.52

Finding the Fourth Proportional to 19,787.48, 27,308.04 and 11,404.52

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Solution

The fourth proportional to 19,787.48, 27,308.04 and 11,404.52 is: 15,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.48 : 27,308.04 = 11,404.52 : x
  2. Step 2: Convert to fraction form
    19,787.48/27,308.04 = 11,404.52/x
  3. Step 3: Cross multiply
    19,787.48x = 27,308.04 × 11,404.52
  4. Step 4: Simplify right side
    19,787.48x = 311,435,088.34
  5. Step 5: Solve for x
    x = 311,435,088.34/19,787.48
  6. Step 6: Final answer
    x = 15,739.00

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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.