Home / 13,256.12-19,887.02-4,490.60

Finding the Fourth Proportional to 13,256.12, 19,887.02 and 4,490.60

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Solution

The fourth proportional to 13,256.12, 19,887.02 and 4,490.60 is: 6,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.12 : 19,887.02 = 4,490.60 : x
  2. Step 2: Convert to fraction form
    13,256.12/19,887.02 = 4,490.60/x
  3. Step 3: Cross multiply
    13,256.12x = 19,887.02 × 4,490.60
  4. Step 4: Simplify right side
    13,256.12x = 89,304,652.01
  5. Step 5: Solve for x
    x = 89,304,652.01/13,256.12
  6. Step 6: Final answer
    x = 6,736.86

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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.