Home / 15,706.32-21,675.96-8,994.06

Finding the Fourth Proportional to 15,706.32, 21,675.96 and 8,994.06

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Solution

The fourth proportional to 15,706.32, 21,675.96 and 8,994.06 is: 12,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.32 : 21,675.96 = 8,994.06 : x
  2. Step 2: Convert to fraction form
    15,706.32/21,675.96 = 8,994.06/x
  3. Step 3: Cross multiply
    15,706.32x = 21,675.96 × 8,994.06
  4. Step 4: Simplify right side
    15,706.32x = 194,954,884.80
  5. Step 5: Solve for x
    x = 194,954,884.80/15,706.32
  6. Step 6: Final answer
    x = 12,412.51

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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.