Home / 13,420.02-20,136.72-6,029.76

Finding the Fourth Proportional to 13,420.02, 20,136.72 and 6,029.76

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Solution

The fourth proportional to 13,420.02, 20,136.72 and 6,029.76 is: 9,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420.02 : 20,136.72 = 6,029.76 : x
  2. Step 2: Convert to fraction form
    13,420.02/20,136.72 = 6,029.76/x
  3. Step 3: Cross multiply
    13,420.02x = 20,136.72 × 6,029.76
  4. Step 4: Simplify right side
    13,420.02x = 121,419,588.79
  5. Step 5: Solve for x
    x = 121,419,588.79/13,420.02
  6. Step 6: Final answer
    x = 9,047.65

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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.