Home / 14,219.18-19,611.69-8,553.50

Finding the Fourth Proportional to 14,219.18, 19,611.69 and 8,553.50

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Solution

The fourth proportional to 14,219.18, 19,611.69 and 8,553.50 is: 11,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.18 : 19,611.69 = 8,553.50 : x
  2. Step 2: Convert to fraction form
    14,219.18/19,611.69 = 8,553.50/x
  3. Step 3: Cross multiply
    14,219.18x = 19,611.69 × 8,553.50
  4. Step 4: Simplify right side
    14,219.18x = 167,748,590.42
  5. Step 5: Solve for x
    x = 167,748,590.42/14,219.18
  6. Step 6: Final answer
    x = 11,797.35

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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.