Home / 19,826.55-29,734.47-8,585.76

Finding the Fourth Proportional to 19,826.55, 29,734.47 and 8,585.76

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Solution

The fourth proportional to 19,826.55, 29,734.47 and 8,585.76 is: 12,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.55 : 29,734.47 = 8,585.76 : x
  2. Step 2: Convert to fraction form
    19,826.55/29,734.47 = 8,585.76/x
  3. Step 3: Cross multiply
    19,826.55x = 29,734.47 × 8,585.76
  4. Step 4: Simplify right side
    19,826.55x = 255,293,023.15
  5. Step 5: Solve for x
    x = 255,293,023.15/19,826.55
  6. Step 6: Final answer
    x = 12,876.32

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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.