Home / 19,367.28-29,051.64-6,219.72

Finding the Fourth Proportional to 19,367.28, 29,051.64 and 6,219.72

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Solution

The fourth proportional to 19,367.28, 29,051.64 and 6,219.72 is: 9,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.28 : 29,051.64 = 6,219.72 : x
  2. Step 2: Convert to fraction form
    19,367.28/29,051.64 = 6,219.72/x
  3. Step 3: Cross multiply
    19,367.28x = 29,051.64 × 6,219.72
  4. Step 4: Simplify right side
    19,367.28x = 180,693,066.34
  5. Step 5: Solve for x
    x = 180,693,066.34/19,367.28
  6. Step 6: Final answer
    x = 9,329.81

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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.