Home / 13,441.84-20,156.40-4,675.66

Finding the Fourth Proportional to 13,441.84, 20,156.40 and 4,675.66

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Solution

The fourth proportional to 13,441.84, 20,156.40 and 4,675.66 is: 7,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.84 : 20,156.40 = 4,675.66 : x
  2. Step 2: Convert to fraction form
    13,441.84/20,156.40 = 4,675.66/x
  3. Step 3: Cross multiply
    13,441.84x = 20,156.40 × 4,675.66
  4. Step 4: Simplify right side
    13,441.84x = 94,244,473.22
  5. Step 5: Solve for x
    x = 94,244,473.22/13,441.84
  6. Step 6: Final answer
    x = 7,011.28

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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.