Home / 13,158.30-19,740.52-9,000.26

Finding the Fourth Proportional to 13,158.30, 19,740.52 and 9,000.26

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Solution

The fourth proportional to 13,158.30, 19,740.52 and 9,000.26 is: 13,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.30 : 19,740.52 = 9,000.26 : x
  2. Step 2: Convert to fraction form
    13,158.30/19,740.52 = 9,000.26/x
  3. Step 3: Cross multiply
    13,158.30x = 19,740.52 × 9,000.26
  4. Step 4: Simplify right side
    13,158.30x = 177,669,812.54
  5. Step 5: Solve for x
    x = 177,669,812.54/13,158.30
  6. Step 6: Final answer
    x = 13,502.49

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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.