Home / 19,423.48-29,135.39-6,275.86

Finding the Fourth Proportional to 19,423.48, 29,135.39 and 6,275.86

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Solution

The fourth proportional to 19,423.48, 29,135.39 and 6,275.86 is: 9,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.48 : 29,135.39 = 6,275.86 : x
  2. Step 2: Convert to fraction form
    19,423.48/29,135.39 = 6,275.86/x
  3. Step 3: Cross multiply
    19,423.48x = 29,135.39 × 6,275.86
  4. Step 4: Simplify right side
    19,423.48x = 182,849,522.79
  5. Step 5: Solve for x
    x = 182,849,522.79/19,423.48
  6. Step 6: Final answer
    x = 9,413.84

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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.