Home / 13,376.04-20,156.04-11,087.45

Finding the Fourth Proportional to 13,376.04, 20,156.04 and 11,087.45

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Solution

The fourth proportional to 13,376.04, 20,156.04 and 11,087.45 is: 16,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.04 : 20,156.04 = 11,087.45 : x
  2. Step 2: Convert to fraction form
    13,376.04/20,156.04 = 11,087.45/x
  3. Step 3: Cross multiply
    13,376.04x = 20,156.04 × 11,087.45
  4. Step 4: Simplify right side
    13,376.04x = 223,479,085.70
  5. Step 5: Solve for x
    x = 223,479,085.70/13,376.04
  6. Step 6: Final answer
    x = 16,707.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.