Home / 9,569.42-13,209.49-6,381.56

Finding the Fourth Proportional to 9,569.42, 13,209.49 and 6,381.56

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Solution

The fourth proportional to 9,569.42, 13,209.49 and 6,381.56 is: 8,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.42 : 13,209.49 = 6,381.56 : x
  2. Step 2: Convert to fraction form
    9,569.42/13,209.49 = 6,381.56/x
  3. Step 3: Cross multiply
    9,569.42x = 13,209.49 × 6,381.56
  4. Step 4: Simplify right side
    9,569.42x = 84,297,108.57
  5. Step 5: Solve for x
    x = 84,297,108.57/9,569.42
  6. Step 6: Final answer
    x = 8,809.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.