Home / 13,955.46-20,937.18-5,631.18

Finding the Fourth Proportional to 13,955.46, 20,937.18 and 5,631.18

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Solution

The fourth proportional to 13,955.46, 20,937.18 and 5,631.18 is: 8,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.46 : 20,937.18 = 5,631.18 : x
  2. Step 2: Convert to fraction form
    13,955.46/20,937.18 = 5,631.18/x
  3. Step 3: Cross multiply
    13,955.46x = 20,937.18 × 5,631.18
  4. Step 4: Simplify right side
    13,955.46x = 117,901,029.27
  5. Step 5: Solve for x
    x = 117,901,029.27/13,955.46
  6. Step 6: Final answer
    x = 8,448.38

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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.