Home / 19,389.17-29,069.64-8,853.50

Finding the Fourth Proportional to 19,389.17, 29,069.64 and 8,853.50

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Solution

The fourth proportional to 19,389.17, 29,069.64 and 8,853.50 is: 13,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.17 : 29,069.64 = 8,853.50 : x
  2. Step 2: Convert to fraction form
    19,389.17/29,069.64 = 8,853.50/x
  3. Step 3: Cross multiply
    19,389.17x = 29,069.64 × 8,853.50
  4. Step 4: Simplify right side
    19,389.17x = 257,367,912.39
  5. Step 5: Solve for x
    x = 257,367,912.39/19,389.17
  6. Step 6: Final answer
    x = 13,273.80

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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.