Home / 13,022.10-17,971.60-7,357.88

Finding the Fourth Proportional to 13,022.10, 17,971.60 and 7,357.88

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Solution

The fourth proportional to 13,022.10, 17,971.60 and 7,357.88 is: 10,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.10 : 17,971.60 = 7,357.88 : x
  2. Step 2: Convert to fraction form
    13,022.10/17,971.60 = 7,357.88/x
  3. Step 3: Cross multiply
    13,022.10x = 17,971.60 × 7,357.88
  4. Step 4: Simplify right side
    13,022.10x = 132,232,876.21
  5. Step 5: Solve for x
    x = 132,232,876.21/13,022.10
  6. Step 6: Final answer
    x = 10,154.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.