Home / 21,199.32-31,794.66-8,047.08

Finding the Fourth Proportional to 21,199.32, 31,794.66 and 8,047.08

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Solution

The fourth proportional to 21,199.32, 31,794.66 and 8,047.08 is: 12,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.32 : 31,794.66 = 8,047.08 : x
  2. Step 2: Convert to fraction form
    21,199.32/31,794.66 = 8,047.08/x
  3. Step 3: Cross multiply
    21,199.32x = 31,794.66 × 8,047.08
  4. Step 4: Simplify right side
    21,199.32x = 255,854,172.59
  5. Step 5: Solve for x
    x = 255,854,172.59/21,199.32
  6. Step 6: Final answer
    x = 12,068.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.