Home / 21,700.40-32,550.60-7,846.16

Finding the Fourth Proportional to 21,700.40, 32,550.60 and 7,846.16

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Solution

The fourth proportional to 21,700.40, 32,550.60 and 7,846.16 is: 11,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.40 : 32,550.60 = 7,846.16 : x
  2. Step 2: Convert to fraction form
    21,700.40/32,550.60 = 7,846.16/x
  3. Step 3: Cross multiply
    21,700.40x = 32,550.60 × 7,846.16
  4. Step 4: Simplify right side
    21,700.40x = 255,397,215.70
  5. Step 5: Solve for x
    x = 255,397,215.70/21,700.40
  6. Step 6: Final answer
    x = 11,769.24

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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.