Home / 18,420.40-27,625.13-6,730.89

Finding the Fourth Proportional to 18,420.40, 27,625.13 and 6,730.89

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Solution

The fourth proportional to 18,420.40, 27,625.13 and 6,730.89 is: 10,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.40 : 27,625.13 = 6,730.89 : x
  2. Step 2: Convert to fraction form
    18,420.40/27,625.13 = 6,730.89/x
  3. Step 3: Cross multiply
    18,420.40x = 27,625.13 × 6,730.89
  4. Step 4: Simplify right side
    18,420.40x = 185,941,711.27
  5. Step 5: Solve for x
    x = 185,941,711.27/18,420.40
  6. Step 6: Final answer
    x = 10,094.34

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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.