Home / 13,644.12-20,506.59-11,319.22

Finding the Fourth Proportional to 13,644.12, 20,506.59 and 11,319.22

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Solution

The fourth proportional to 13,644.12, 20,506.59 and 11,319.22 is: 17,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.12 : 20,506.59 = 11,319.22 : x
  2. Step 2: Convert to fraction form
    13,644.12/20,506.59 = 11,319.22/x
  3. Step 3: Cross multiply
    13,644.12x = 20,506.59 × 11,319.22
  4. Step 4: Simplify right side
    13,644.12x = 232,118,603.66
  5. Step 5: Solve for x
    x = 232,118,603.66/13,644.12
  6. Step 6: Final answer
    x = 17,012.35

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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.