Home / 19,284.32-28,930.10-8,755.08

Finding the Fourth Proportional to 19,284.32, 28,930.10 and 8,755.08

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Solution

The fourth proportional to 19,284.32, 28,930.10 and 8,755.08 is: 13,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.32 : 28,930.10 = 8,755.08 : x
  2. Step 2: Convert to fraction form
    19,284.32/28,930.10 = 8,755.08/x
  3. Step 3: Cross multiply
    19,284.32x = 28,930.10 × 8,755.08
  4. Step 4: Simplify right side
    19,284.32x = 253,285,296.13
  5. Step 5: Solve for x
    x = 253,285,296.13/19,284.32
  6. Step 6: Final answer
    x = 13,134.26

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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.