Home / 19,411.08-29,097.72-8,887.92

Finding the Fourth Proportional to 19,411.08, 29,097.72 and 8,887.92

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Solution

The fourth proportional to 19,411.08, 29,097.72 and 8,887.92 is: 13,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.08 : 29,097.72 = 8,887.92 : x
  2. Step 2: Convert to fraction form
    19,411.08/29,097.72 = 8,887.92/x
  3. Step 3: Cross multiply
    19,411.08x = 29,097.72 × 8,887.92
  4. Step 4: Simplify right side
    19,411.08x = 258,618,207.54
  5. Step 5: Solve for x
    x = 258,618,207.54/19,411.08
  6. Step 6: Final answer
    x = 13,323.23

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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.