Home / 13,625.40-20,435.52-4,264.01

Finding the Fourth Proportional to 13,625.40, 20,435.52 and 4,264.01

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Solution

The fourth proportional to 13,625.40, 20,435.52 and 4,264.01 is: 6,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.40 : 20,435.52 = 4,264.01 : x
  2. Step 2: Convert to fraction form
    13,625.40/20,435.52 = 4,264.01/x
  3. Step 3: Cross multiply
    13,625.40x = 20,435.52 × 4,264.01
  4. Step 4: Simplify right side
    13,625.40x = 87,137,159.46
  5. Step 5: Solve for x
    x = 87,137,159.46/13,625.40
  6. Step 6: Final answer
    x = 6,395.20

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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.