Home / 13,231.30-18,259.14-7,263.08

Finding the Fourth Proportional to 13,231.30, 18,259.14 and 7,263.08

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Solution

The fourth proportional to 13,231.30, 18,259.14 and 7,263.08 is: 10,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.30 : 18,259.14 = 7,263.08 : x
  2. Step 2: Convert to fraction form
    13,231.30/18,259.14 = 7,263.08/x
  3. Step 3: Cross multiply
    13,231.30x = 18,259.14 × 7,263.08
  4. Step 4: Simplify right side
    13,231.30x = 132,617,594.55
  5. Step 5: Solve for x
    x = 132,617,594.55/13,231.30
  6. Step 6: Final answer
    x = 10,023.02

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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.