Home / 14,999.18-20,698.74-8,284.75

Finding the Fourth Proportional to 14,999.18, 20,698.74 and 8,284.75

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Solution

The fourth proportional to 14,999.18, 20,698.74 and 8,284.75 is: 11,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.18 : 20,698.74 = 8,284.75 : x
  2. Step 2: Convert to fraction form
    14,999.18/20,698.74 = 8,284.75/x
  3. Step 3: Cross multiply
    14,999.18x = 20,698.74 × 8,284.75
  4. Step 4: Simplify right side
    14,999.18x = 171,483,834.47
  5. Step 5: Solve for x
    x = 171,483,834.47/14,999.18
  6. Step 6: Final answer
    x = 11,432.88

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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.