Home / 19,446.71-29,169.87-8,913.74

Finding the Fourth Proportional to 19,446.71, 29,169.87 and 8,913.74

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Solution

The fourth proportional to 19,446.71, 29,169.87 and 8,913.74 is: 13,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.71 : 29,169.87 = 8,913.74 : x
  2. Step 2: Convert to fraction form
    19,446.71/29,169.87 = 8,913.74/x
  3. Step 3: Cross multiply
    19,446.71x = 29,169.87 × 8,913.74
  4. Step 4: Simplify right side
    19,446.71x = 260,012,564.09
  5. Step 5: Solve for x
    x = 260,012,564.09/19,446.71
  6. Step 6: Final answer
    x = 13,370.52

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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.