Home / 21,689.02-32,530.65-6,107.86

Finding the Fourth Proportional to 21,689.02, 32,530.65 and 6,107.86

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Solution

The fourth proportional to 21,689.02, 32,530.65 and 6,107.86 is: 9,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.02 : 32,530.65 = 6,107.86 : x
  2. Step 2: Convert to fraction form
    21,689.02/32,530.65 = 6,107.86/x
  3. Step 3: Cross multiply
    21,689.02x = 32,530.65 × 6,107.86
  4. Step 4: Simplify right side
    21,689.02x = 198,692,655.91
  5. Step 5: Solve for x
    x = 198,692,655.91/21,689.02
  6. Step 6: Final answer
    x = 9,160.98

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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.