Home / 18,434.79-27,656.43-5,783.85

Finding the Fourth Proportional to 18,434.79, 27,656.43 and 5,783.85

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Solution

The fourth proportional to 18,434.79, 27,656.43 and 5,783.85 is: 8,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.79 : 27,656.43 = 5,783.85 : x
  2. Step 2: Convert to fraction form
    18,434.79/27,656.43 = 5,783.85/x
  3. Step 3: Cross multiply
    18,434.79x = 27,656.43 × 5,783.85
  4. Step 4: Simplify right side
    18,434.79x = 159,960,642.66
  5. Step 5: Solve for x
    x = 159,960,642.66/18,434.79
  6. Step 6: Final answer
    x = 8,677.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.