Home / 13,330.90-19,983.55-10,367.70

Finding the Fourth Proportional to 13,330.90, 19,983.55 and 10,367.70

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Solution

The fourth proportional to 13,330.90, 19,983.55 and 10,367.70 is: 15,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.90 : 19,983.55 = 10,367.70 : x
  2. Step 2: Convert to fraction form
    13,330.90/19,983.55 = 10,367.70/x
  3. Step 3: Cross multiply
    13,330.90x = 19,983.55 × 10,367.70
  4. Step 4: Simplify right side
    13,330.90x = 207,183,451.34
  5. Step 5: Solve for x
    x = 207,183,451.34/13,330.90
  6. Step 6: Final answer
    x = 15,541.60

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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.