Home / 14,987.88-22,480.74-6,665.40

Finding the Fourth Proportional to 14,987.88, 22,480.74 and 6,665.40

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Solution

The fourth proportional to 14,987.88, 22,480.74 and 6,665.40 is: 9,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.88 : 22,480.74 = 6,665.40 : x
  2. Step 2: Convert to fraction form
    14,987.88/22,480.74 = 6,665.40/x
  3. Step 3: Cross multiply
    14,987.88x = 22,480.74 × 6,665.40
  4. Step 4: Simplify right side
    14,987.88x = 149,843,124.40
  5. Step 5: Solve for x
    x = 149,843,124.40/14,987.88
  6. Step 6: Final answer
    x = 9,997.62

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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.