Home / 19,621.30-29,430.60-6,294.10

Finding the Fourth Proportional to 19,621.30, 29,430.60 and 6,294.10

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Solution

The fourth proportional to 19,621.30, 29,430.60 and 6,294.10 is: 9,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.30 : 29,430.60 = 6,294.10 : x
  2. Step 2: Convert to fraction form
    19,621.30/29,430.60 = 6,294.10/x
  3. Step 3: Cross multiply
    19,621.30x = 29,430.60 × 6,294.10
  4. Step 4: Simplify right side
    19,621.30x = 185,239,139.46
  5. Step 5: Solve for x
    x = 185,239,139.46/19,621.30
  6. Step 6: Final answer
    x = 9,440.72

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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.