Home / 19,539.26-29,317.08-8,440.23

Finding the Fourth Proportional to 19,539.26, 29,317.08 and 8,440.23

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Solution

The fourth proportional to 19,539.26, 29,317.08 and 8,440.23 is: 12,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.26 : 29,317.08 = 8,440.23 : x
  2. Step 2: Convert to fraction form
    19,539.26/29,317.08 = 8,440.23/x
  3. Step 3: Cross multiply
    19,539.26x = 29,317.08 × 8,440.23
  4. Step 4: Simplify right side
    19,539.26x = 247,442,898.13
  5. Step 5: Solve for x
    x = 247,442,898.13/19,539.26
  6. Step 6: Final answer
    x = 12,663.89

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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.