Home / 21,813.06-32,698.80-7,011.60

Finding the Fourth Proportional to 21,813.06, 32,698.80 and 7,011.60

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Solution

The fourth proportional to 21,813.06, 32,698.80 and 7,011.60 is: 10,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813.06 : 32,698.80 = 7,011.60 : x
  2. Step 2: Convert to fraction form
    21,813.06/32,698.80 = 7,011.60/x
  3. Step 3: Cross multiply
    21,813.06x = 32,698.80 × 7,011.60
  4. Step 4: Simplify right side
    21,813.06x = 229,270,906.08
  5. Step 5: Solve for x
    x = 229,270,906.08/21,813.06
  6. Step 6: Final answer
    x = 10,510.72

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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.