Home / 14,686.56-20,267.55-8,313.48

Finding the Fourth Proportional to 14,686.56, 20,267.55 and 8,313.48

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Solution

The fourth proportional to 14,686.56, 20,267.55 and 8,313.48 is: 11,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.56 : 20,267.55 = 8,313.48 : x
  2. Step 2: Convert to fraction form
    14,686.56/20,267.55 = 8,313.48/x
  3. Step 3: Cross multiply
    14,686.56x = 20,267.55 × 8,313.48
  4. Step 4: Simplify right side
    14,686.56x = 168,493,871.57
  5. Step 5: Solve for x
    x = 168,493,871.57/14,686.56
  6. Step 6: Final answer
    x = 11,472.66

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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.