Home / 20,151.14-30,214.98-14,817.50

Finding the Fourth Proportional to 20,151.14, 30,214.98 and 14,817.50

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Solution

The fourth proportional to 20,151.14, 30,214.98 and 14,817.50 is: 22,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.14 : 30,214.98 = 14,817.50 : x
  2. Step 2: Convert to fraction form
    20,151.14/30,214.98 = 14,817.50/x
  3. Step 3: Cross multiply
    20,151.14x = 30,214.98 × 14,817.50
  4. Step 4: Simplify right side
    20,151.14x = 447,710,541.69
  5. Step 5: Solve for x
    x = 447,710,541.69/20,151.14
  6. Step 6: Final answer
    x = 22,217.63

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1.5x scale

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.