Home / 21,735.76-32,571.64-9,713.32

Finding the Fourth Proportional to 21,735.76, 32,571.64 and 9,713.32

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Solution

The fourth proportional to 21,735.76, 32,571.64 and 9,713.32 is: 14,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.76 : 32,571.64 = 9,713.32 : x
  2. Step 2: Convert to fraction form
    21,735.76/32,571.64 = 9,713.32/x
  3. Step 3: Cross multiply
    21,735.76x = 32,571.64 × 9,713.32
  4. Step 4: Simplify right side
    21,735.76x = 316,378,762.24
  5. Step 5: Solve for x
    x = 316,378,762.24/21,735.76
  6. Step 6: Final answer
    x = 14,555.68

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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.