Home / 14,214.80-19,621.32-8,552.72

Finding the Fourth Proportional to 14,214.80, 19,621.32 and 8,552.72

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Solution

The fourth proportional to 14,214.80, 19,621.32 and 8,552.72 is: 11,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.80 : 19,621.32 = 8,552.72 : x
  2. Step 2: Convert to fraction form
    14,214.80/19,621.32 = 8,552.72/x
  3. Step 3: Cross multiply
    14,214.80x = 19,621.32 × 8,552.72
  4. Step 4: Simplify right side
    14,214.80x = 167,815,655.99
  5. Step 5: Solve for x
    x = 167,815,655.99/14,214.80
  6. Step 6: Final answer
    x = 11,805.70

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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.