Home / 20,051.10-30,099.87-11,737.17

Finding the Fourth Proportional to 20,051.10, 30,099.87 and 11,737.17

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Solution

The fourth proportional to 20,051.10, 30,099.87 and 11,737.17 is: 17,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.10 : 30,099.87 = 11,737.17 : x
  2. Step 2: Convert to fraction form
    20,051.10/30,099.87 = 11,737.17/x
  3. Step 3: Cross multiply
    20,051.10x = 30,099.87 × 11,737.17
  4. Step 4: Simplify right side
    20,051.10x = 353,287,291.17
  5. Step 5: Solve for x
    x = 353,287,291.17/20,051.10
  6. Step 6: Final answer
    x = 17,619.35

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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.