Home / 14,543.03-21,814.55-4,154.78

Finding the Fourth Proportional to 14,543.03, 21,814.55 and 4,154.78

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Solution

The fourth proportional to 14,543.03, 21,814.55 and 4,154.78 is: 6,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.03 : 21,814.55 = 4,154.78 : x
  2. Step 2: Convert to fraction form
    14,543.03/21,814.55 = 4,154.78/x
  3. Step 3: Cross multiply
    14,543.03x = 21,814.55 × 4,154.78
  4. Step 4: Simplify right side
    14,543.03x = 90,634,656.05
  5. Step 5: Solve for x
    x = 90,634,656.05/14,543.03
  6. Step 6: Final answer
    x = 6,232.17

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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.