Home / 19,530.55-29,306.48-8,284.13

Finding the Fourth Proportional to 19,530.55, 29,306.48 and 8,284.13

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Solution

The fourth proportional to 19,530.55, 29,306.48 and 8,284.13 is: 12,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.55 : 29,306.48 = 8,284.13 : x
  2. Step 2: Convert to fraction form
    19,530.55/29,306.48 = 8,284.13/x
  3. Step 3: Cross multiply
    19,530.55x = 29,306.48 × 8,284.13
  4. Step 4: Simplify right side
    19,530.55x = 242,778,648.74
  5. Step 5: Solve for x
    x = 242,778,648.74/19,530.55
  6. Step 6: Final answer
    x = 12,430.72

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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.