Home / 19,392.20-29,064.78-8,847.78

Finding the Fourth Proportional to 19,392.20, 29,064.78 and 8,847.78

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Solution

The fourth proportional to 19,392.20, 29,064.78 and 8,847.78 is: 13,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.20 : 29,064.78 = 8,847.78 : x
  2. Step 2: Convert to fraction form
    19,392.20/29,064.78 = 8,847.78/x
  3. Step 3: Cross multiply
    19,392.20x = 29,064.78 × 8,847.78
  4. Step 4: Simplify right side
    19,392.20x = 257,158,779.19
  5. Step 5: Solve for x
    x = 257,158,779.19/19,392.20
  6. Step 6: Final answer
    x = 13,260.94

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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.