Home / 13,014.02-19,521.10-3,153.28

Finding the Fourth Proportional to 13,014.02, 19,521.10 and 3,153.28

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Solution

The fourth proportional to 13,014.02, 19,521.10 and 3,153.28 is: 4,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.02 : 19,521.10 = 3,153.28 : x
  2. Step 2: Convert to fraction form
    13,014.02/19,521.10 = 3,153.28/x
  3. Step 3: Cross multiply
    13,014.02x = 19,521.10 × 3,153.28
  4. Step 4: Simplify right side
    13,014.02x = 61,555,485.95
  5. Step 5: Solve for x
    x = 61,555,485.95/13,014.02
  6. Step 6: Final answer
    x = 4,729.94

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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.