Home / 13,512.02-20,271.36-4,151.66

Finding the Fourth Proportional to 13,512.02, 20,271.36 and 4,151.66

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Solution

The fourth proportional to 13,512.02, 20,271.36 and 4,151.66 is: 6,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.02 : 20,271.36 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    13,512.02/20,271.36 = 4,151.66/x
  3. Step 3: Cross multiply
    13,512.02x = 20,271.36 × 4,151.66
  4. Step 4: Simplify right side
    13,512.02x = 84,159,708.67
  5. Step 5: Solve for x
    x = 84,159,708.67/13,512.02
  6. Step 6: Final answer
    x = 6,228.51

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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.