Home / 14,005.02-21,010.85-4,009.90

Finding the Fourth Proportional to 14,005.02, 21,010.85 and 4,009.90

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Solution

The fourth proportional to 14,005.02, 21,010.85 and 4,009.90 is: 6,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.02 : 21,010.85 = 4,009.90 : x
  2. Step 2: Convert to fraction form
    14,005.02/21,010.85 = 4,009.90/x
  3. Step 3: Cross multiply
    14,005.02x = 21,010.85 × 4,009.90
  4. Step 4: Simplify right side
    14,005.02x = 84,251,407.42
  5. Step 5: Solve for x
    x = 84,251,407.42/14,005.02
  6. Step 6: Final answer
    x = 6,015.80

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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.