Home / 14,604.06-20,152.89-8,318.46

Finding the Fourth Proportional to 14,604.06, 20,152.89 and 8,318.46

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Solution

The fourth proportional to 14,604.06, 20,152.89 and 8,318.46 is: 11,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.06 : 20,152.89 = 8,318.46 : x
  2. Step 2: Convert to fraction form
    14,604.06/20,152.89 = 8,318.46/x
  3. Step 3: Cross multiply
    14,604.06x = 20,152.89 × 8,318.46
  4. Step 4: Simplify right side
    14,604.06x = 167,641,009.35
  5. Step 5: Solve for x
    x = 167,641,009.35/14,604.06
  6. Step 6: Final answer
    x = 11,479.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.