Home / 13,652.74-20,470.06-5,333.55

Finding the Fourth Proportional to 13,652.74, 20,470.06 and 5,333.55

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Solution

The fourth proportional to 13,652.74, 20,470.06 and 5,333.55 is: 7,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.74 : 20,470.06 = 5,333.55 : x
  2. Step 2: Convert to fraction form
    13,652.74/20,470.06 = 5,333.55/x
  3. Step 3: Cross multiply
    13,652.74x = 20,470.06 × 5,333.55
  4. Step 4: Simplify right side
    13,652.74x = 109,178,088.51
  5. Step 5: Solve for x
    x = 109,178,088.51/13,652.74
  6. Step 6: Final answer
    x = 7,996.79

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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.