Home / 9,686.30-14,518.65-4,138.70

Finding the Fourth Proportional to 9,686.30, 14,518.65 and 4,138.70

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Solution

The fourth proportional to 9,686.30, 14,518.65 and 4,138.70 is: 6,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.30 : 14,518.65 = 4,138.70 : x
  2. Step 2: Convert to fraction form
    9,686.30/14,518.65 = 4,138.70/x
  3. Step 3: Cross multiply
    9,686.30x = 14,518.65 × 4,138.70
  4. Step 4: Simplify right side
    9,686.30x = 60,088,336.76
  5. Step 5: Solve for x
    x = 60,088,336.76/9,686.30
  6. Step 6: Final answer
    x = 6,203.44

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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.