Home / 13,113.96-18,098.16-8,011.66

Finding the Fourth Proportional to 13,113.96, 18,098.16 and 8,011.66

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Solution

The fourth proportional to 13,113.96, 18,098.16 and 8,011.66 is: 11,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.96 : 18,098.16 = 8,011.66 : x
  2. Step 2: Convert to fraction form
    13,113.96/18,098.16 = 8,011.66/x
  3. Step 3: Cross multiply
    13,113.96x = 18,098.16 × 8,011.66
  4. Step 4: Simplify right side
    13,113.96x = 144,996,304.55
  5. Step 5: Solve for x
    x = 144,996,304.55/13,113.96
  6. Step 6: Final answer
    x = 11,056.64

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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.