Home / 9,885.57-14,826.64-4,621.06

Finding the Fourth Proportional to 9,885.57, 14,826.64 and 4,621.06

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Solution

The fourth proportional to 9,885.57, 14,826.64 and 4,621.06 is: 6,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.57 : 14,826.64 = 4,621.06 : x
  2. Step 2: Convert to fraction form
    9,885.57/14,826.64 = 4,621.06/x
  3. Step 3: Cross multiply
    9,885.57x = 14,826.64 × 4,621.06
  4. Step 4: Simplify right side
    9,885.57x = 68,514,695.80
  5. Step 5: Solve for x
    x = 68,514,695.80/9,885.57
  6. Step 6: Final answer
    x = 6,930.78

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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.