Home / 19,701.70-29,539.49-10,330.40

Finding the Fourth Proportional to 19,701.70, 29,539.49 and 10,330.40

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Solution

The fourth proportional to 19,701.70, 29,539.49 and 10,330.40 is: 15,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.70 : 29,539.49 = 10,330.40 : x
  2. Step 2: Convert to fraction form
    19,701.70/29,539.49 = 10,330.40/x
  3. Step 3: Cross multiply
    19,701.70x = 29,539.49 × 10,330.40
  4. Step 4: Simplify right side
    19,701.70x = 305,154,769.69
  5. Step 5: Solve for x
    x = 305,154,769.69/19,701.70
  6. Step 6: Final answer
    x = 15,488.76

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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.