Home / 12,305.64-16,982.84-10,061.26

Finding the Fourth Proportional to 12,305.64, 16,982.84 and 10,061.26

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Solution

The fourth proportional to 12,305.64, 16,982.84 and 10,061.26 is: 13,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.64 : 16,982.84 = 10,061.26 : x
  2. Step 2: Convert to fraction form
    12,305.64/16,982.84 = 10,061.26/x
  3. Step 3: Cross multiply
    12,305.64x = 16,982.84 × 10,061.26
  4. Step 4: Simplify right side
    12,305.64x = 170,868,768.78
  5. Step 5: Solve for x
    x = 170,868,768.78/12,305.64
  6. Step 6: Final answer
    x = 13,885.40

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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.