Home / 13,392.64-20,072.76-9,669.07

Finding the Fourth Proportional to 13,392.64, 20,072.76 and 9,669.07

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Solution

The fourth proportional to 13,392.64, 20,072.76 and 9,669.07 is: 14,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.64 : 20,072.76 = 9,669.07 : x
  2. Step 2: Convert to fraction form
    13,392.64/20,072.76 = 9,669.07/x
  3. Step 3: Cross multiply
    13,392.64x = 20,072.76 × 9,669.07
  4. Step 4: Simplify right side
    13,392.64x = 194,084,921.53
  5. Step 5: Solve for x
    x = 194,084,921.53/13,392.64
  6. Step 6: Final answer
    x = 14,491.91

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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.