Home / 19,430.91-29,149.10-9,570.27

Finding the Fourth Proportional to 19,430.91, 29,149.10 and 9,570.27

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Solution

The fourth proportional to 19,430.91, 29,149.10 and 9,570.27 is: 14,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.91 : 29,149.10 = 9,570.27 : x
  2. Step 2: Convert to fraction form
    19,430.91/29,149.10 = 9,570.27/x
  3. Step 3: Cross multiply
    19,430.91x = 29,149.10 × 9,570.27
  4. Step 4: Simplify right side
    19,430.91x = 278,964,709.41
  5. Step 5: Solve for x
    x = 278,964,709.41/19,430.91
  6. Step 6: Final answer
    x = 14,356.75

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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.