Home / 19,487.72-29,214.12-7,004.90

Finding the Fourth Proportional to 19,487.72, 29,214.12 and 7,004.90

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Solution

The fourth proportional to 19,487.72, 29,214.12 and 7,004.90 is: 10,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.72 : 29,214.12 = 7,004.90 : x
  2. Step 2: Convert to fraction form
    19,487.72/29,214.12 = 7,004.90/x
  3. Step 3: Cross multiply
    19,487.72x = 29,214.12 × 7,004.90
  4. Step 4: Simplify right side
    19,487.72x = 204,641,989.19
  5. Step 5: Solve for x
    x = 204,641,989.19/19,487.72
  6. Step 6: Final answer
    x = 10,501.07

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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.