Home / 43,013.98-64,520.84-11,427.21

Finding the Fourth Proportional to 43,013.98, 64,520.84 and 11,427.21

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Solution

The fourth proportional to 43,013.98, 64,520.84 and 11,427.21 is: 17,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.98 : 64,520.84 = 11,427.21 : x
  2. Step 2: Convert to fraction form
    43,013.98/64,520.84 = 11,427.21/x
  3. Step 3: Cross multiply
    43,013.98x = 64,520.84 × 11,427.21
  4. Step 4: Simplify right side
    43,013.98x = 737,292,808.32
  5. Step 5: Solve for x
    x = 737,292,808.32/43,013.98
  6. Step 6: Final answer
    x = 17,140.77

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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.