Home / 8,384.20-12,554.70-6,656.20

Finding the Fourth Proportional to 8,384.20, 12,554.70 and 6,656.20

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Solution

The fourth proportional to 8,384.20, 12,554.70 and 6,656.20 is: 9,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.20 : 12,554.70 = 6,656.20 : x
  2. Step 2: Convert to fraction form
    8,384.20/12,554.70 = 6,656.20/x
  3. Step 3: Cross multiply
    8,384.20x = 12,554.70 × 6,656.20
  4. Step 4: Simplify right side
    8,384.20x = 83,566,594.14
  5. Step 5: Solve for x
    x = 83,566,594.14/8,384.20
  6. Step 6: Final answer
    x = 9,967.15

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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.