Home / 13,332.88-20,011.45-7,098.11

Finding the Fourth Proportional to 13,332.88, 20,011.45 and 7,098.11

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Solution

The fourth proportional to 13,332.88, 20,011.45 and 7,098.11 is: 10,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.88 : 20,011.45 = 7,098.11 : x
  2. Step 2: Convert to fraction form
    13,332.88/20,011.45 = 7,098.11/x
  3. Step 3: Cross multiply
    13,332.88x = 20,011.45 × 7,098.11
  4. Step 4: Simplify right side
    13,332.88x = 142,043,473.36
  5. Step 5: Solve for x
    x = 142,043,473.36/13,332.88
  6. Step 6: Final answer
    x = 10,653.62

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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.