Home / 13,280.41-18,328.26-7,313.28

Finding the Fourth Proportional to 13,280.41, 18,328.26 and 7,313.28

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Solution

The fourth proportional to 13,280.41, 18,328.26 and 7,313.28 is: 10,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.41 : 18,328.26 = 7,313.28 : x
  2. Step 2: Convert to fraction form
    13,280.41/18,328.26 = 7,313.28/x
  3. Step 3: Cross multiply
    13,280.41x = 18,328.26 × 7,313.28
  4. Step 4: Simplify right side
    13,280.41x = 134,039,697.29
  5. Step 5: Solve for x
    x = 134,039,697.29/13,280.41
  6. Step 6: Final answer
    x = 10,093.04

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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.