Home / 21,700.32-32,555.33-9,220.74

Finding the Fourth Proportional to 21,700.32, 32,555.33 and 9,220.74

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Solution

The fourth proportional to 21,700.32, 32,555.33 and 9,220.74 is: 13,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.32 : 32,555.33 = 9,220.74 : x
  2. Step 2: Convert to fraction form
    21,700.32/32,555.33 = 9,220.74/x
  3. Step 3: Cross multiply
    21,700.32x = 32,555.33 × 9,220.74
  4. Step 4: Simplify right side
    21,700.32x = 300,184,187.44
  5. Step 5: Solve for x
    x = 300,184,187.44/21,700.32
  6. Step 6: Final answer
    x = 13,833.17

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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.