Home / 13,011.68-17,956.10-7,043.33

Finding the Fourth Proportional to 13,011.68, 17,956.10 and 7,043.33

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Solution

The fourth proportional to 13,011.68, 17,956.10 and 7,043.33 is: 9,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.68 : 17,956.10 = 7,043.33 : x
  2. Step 2: Convert to fraction form
    13,011.68/17,956.10 = 7,043.33/x
  3. Step 3: Cross multiply
    13,011.68x = 17,956.10 × 7,043.33
  4. Step 4: Simplify right side
    13,011.68x = 126,470,737.81
  5. Step 5: Solve for x
    x = 126,470,737.81/13,011.68
  6. Step 6: Final answer
    x = 9,719.79

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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.