Home / 19,560.30-29,340.57-4,769.34

Finding the Fourth Proportional to 19,560.30, 29,340.57 and 4,769.34

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Solution

The fourth proportional to 19,560.30, 29,340.57 and 4,769.34 is: 7,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.30 : 29,340.57 = 4,769.34 : x
  2. Step 2: Convert to fraction form
    19,560.30/29,340.57 = 4,769.34/x
  3. Step 3: Cross multiply
    19,560.30x = 29,340.57 × 4,769.34
  4. Step 4: Simplify right side
    19,560.30x = 139,935,154.12
  5. Step 5: Solve for x
    x = 139,935,154.12/19,560.30
  6. Step 6: Final answer
    x = 7,154.04

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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.