Home / 15,566.91-21,482.06-8,493.32

Finding the Fourth Proportional to 15,566.91, 21,482.06 and 8,493.32

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Solution

The fourth proportional to 15,566.91, 21,482.06 and 8,493.32 is: 11,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.91 : 21,482.06 = 8,493.32 : x
  2. Step 2: Convert to fraction form
    15,566.91/21,482.06 = 8,493.32/x
  3. Step 3: Cross multiply
    15,566.91x = 21,482.06 × 8,493.32
  4. Step 4: Simplify right side
    15,566.91x = 182,453,859.96
  5. Step 5: Solve for x
    x = 182,453,859.96/15,566.91
  6. Step 6: Final answer
    x = 11,720.62

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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.