Home / 15,162.13-22,715.48-10,991.79

Finding the Fourth Proportional to 15,162.13, 22,715.48 and 10,991.79

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Solution

The fourth proportional to 15,162.13, 22,715.48 and 10,991.79 is: 16,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.13 : 22,715.48 = 10,991.79 : x
  2. Step 2: Convert to fraction form
    15,162.13/22,715.48 = 10,991.79/x
  3. Step 3: Cross multiply
    15,162.13x = 22,715.48 × 10,991.79
  4. Step 4: Simplify right side
    15,162.13x = 249,683,785.91
  5. Step 5: Solve for x
    x = 249,683,785.91/15,162.13
  6. Step 6: Final answer
    x = 16,467.60

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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.