Home / 13,280.06-18,327.24-7,313

Finding the Fourth Proportional to 13,280.06, 18,327.24 and 7,313

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Solution

The fourth proportional to 13,280.06, 18,327.24 and 7,313 is: 10,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.06 : 18,327.24 = 7,313 : x
  2. Step 2: Convert to fraction form
    13,280.06/18,327.24 = 7,313/x
  3. Step 3: Cross multiply
    13,280.06x = 18,327.24 × 7,313
  4. Step 4: Simplify right side
    13,280.06x = 134,027,106.12
  5. Step 5: Solve for x
    x = 134,027,106.12/13,280.06
  6. Step 6: Final answer
    x = 10,092.36

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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.