Home / 13,436.70-20,153.97-4,670.34

Finding the Fourth Proportional to 13,436.70, 20,153.97 and 4,670.34

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Solution

The fourth proportional to 13,436.70, 20,153.97 and 4,670.34 is: 7,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.70 : 20,153.97 = 4,670.34 : x
  2. Step 2: Convert to fraction form
    13,436.70/20,153.97 = 4,670.34/x
  3. Step 3: Cross multiply
    13,436.70x = 20,153.97 × 4,670.34
  4. Step 4: Simplify right side
    13,436.70x = 94,125,892.25
  5. Step 5: Solve for x
    x = 94,125,892.25/13,436.70
  6. Step 6: Final answer
    x = 7,005.13

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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.