Home / 21,688.02-32,529.15-6,106.86

Finding the Fourth Proportional to 21,688.02, 32,529.15 and 6,106.86

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Solution

The fourth proportional to 21,688.02, 32,529.15 and 6,106.86 is: 9,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.02 : 32,529.15 = 6,106.86 : x
  2. Step 2: Convert to fraction form
    21,688.02/32,529.15 = 6,106.86/x
  3. Step 3: Cross multiply
    21,688.02x = 32,529.15 × 6,106.86
  4. Step 4: Simplify right side
    21,688.02x = 198,650,964.97
  5. Step 5: Solve for x
    x = 198,650,964.97/21,688.02
  6. Step 6: Final answer
    x = 9,159.48

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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.