Home / 8,644.12-12,941.70-6,718.84

Finding the Fourth Proportional to 8,644.12, 12,941.70 and 6,718.84

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Solution

The fourth proportional to 8,644.12, 12,941.70 and 6,718.84 is: 10,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.12 : 12,941.70 = 6,718.84 : x
  2. Step 2: Convert to fraction form
    8,644.12/12,941.70 = 6,718.84/x
  3. Step 3: Cross multiply
    8,644.12x = 12,941.70 × 6,718.84
  4. Step 4: Simplify right side
    8,644.12x = 86,953,211.63
  5. Step 5: Solve for x
    x = 86,953,211.63/8,644.12
  6. Step 6: Final answer
    x = 10,059.23

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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.