Home / 9,869.80-14,787.42-6,776.68

Finding the Fourth Proportional to 9,869.80, 14,787.42 and 6,776.68

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Solution

The fourth proportional to 9,869.80, 14,787.42 and 6,776.68 is: 10,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.80 : 14,787.42 = 6,776.68 : x
  2. Step 2: Convert to fraction form
    9,869.80/14,787.42 = 6,776.68/x
  3. Step 3: Cross multiply
    9,869.80x = 14,787.42 × 6,776.68
  4. Step 4: Simplify right side
    9,869.80x = 100,209,613.37
  5. Step 5: Solve for x
    x = 100,209,613.37/9,869.80
  6. Step 6: Final answer
    x = 10,153.16

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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.