Home / 19,740.56-29,622.50-7,269.34

Finding the Fourth Proportional to 19,740.56, 29,622.50 and 7,269.34

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Solution

The fourth proportional to 19,740.56, 29,622.50 and 7,269.34 is: 10,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.56 : 29,622.50 = 7,269.34 : x
  2. Step 2: Convert to fraction form
    19,740.56/29,622.50 = 7,269.34/x
  3. Step 3: Cross multiply
    19,740.56x = 29,622.50 × 7,269.34
  4. Step 4: Simplify right side
    19,740.56x = 215,336,024.15
  5. Step 5: Solve for x
    x = 215,336,024.15/19,740.56
  6. Step 6: Final answer
    x = 10,908.30

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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.