Home / 15,560.49-21,475.29-8,847.12

Finding the Fourth Proportional to 15,560.49, 21,475.29 and 8,847.12

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Solution

The fourth proportional to 15,560.49, 21,475.29 and 8,847.12 is: 12,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.49 : 21,475.29 = 8,847.12 : x
  2. Step 2: Convert to fraction form
    15,560.49/21,475.29 = 8,847.12/x
  3. Step 3: Cross multiply
    15,560.49x = 21,475.29 × 8,847.12
  4. Step 4: Simplify right side
    15,560.49x = 189,994,467.66
  5. Step 5: Solve for x
    x = 189,994,467.66/15,560.49
  6. Step 6: Final answer
    x = 12,210.06

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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.