Home / 14,577-21,869.20-4,188.76

Finding the Fourth Proportional to 14,577, 21,869.20 and 4,188.76

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Solution

The fourth proportional to 14,577, 21,869.20 and 4,188.76 is: 6,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577 : 21,869.20 = 4,188.76 : x
  2. Step 2: Convert to fraction form
    14,577/21,869.20 = 4,188.76/x
  3. Step 3: Cross multiply
    14,577x = 21,869.20 × 4,188.76
  4. Step 4: Simplify right side
    14,577x = 91,604,830.19
  5. Step 5: Solve for x
    x = 91,604,830.19/14,577
  6. Step 6: Final answer
    x = 6,284.20

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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.