Home / 19,162.64-28,711.46-13,588.22

Finding the Fourth Proportional to 19,162.64, 28,711.46 and 13,588.22

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Solution

The fourth proportional to 19,162.64, 28,711.46 and 13,588.22 is: 20,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.64 : 28,711.46 = 13,588.22 : x
  2. Step 2: Convert to fraction form
    19,162.64/28,711.46 = 13,588.22/x
  3. Step 3: Cross multiply
    19,162.64x = 28,711.46 × 13,588.22
  4. Step 4: Simplify right side
    19,162.64x = 390,137,740.75
  5. Step 5: Solve for x
    x = 390,137,740.75/19,162.64
  6. Step 6: Final answer
    x = 20,359.29

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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.