Home / 21,573.40-32,360.08-6,783.61

Finding the Fourth Proportional to 21,573.40, 32,360.08 and 6,783.61

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Solution

The fourth proportional to 21,573.40, 32,360.08 and 6,783.61 is: 10,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.40 : 32,360.08 = 6,783.61 : x
  2. Step 2: Convert to fraction form
    21,573.40/32,360.08 = 6,783.61/x
  3. Step 3: Cross multiply
    21,573.40x = 32,360.08 × 6,783.61
  4. Step 4: Simplify right side
    21,573.40x = 219,518,162.29
  5. Step 5: Solve for x
    x = 219,518,162.29/21,573.40
  6. Step 6: Final answer
    x = 10,175.41

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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.