Home / 13,271.32-18,313.96-7,302.43

Finding the Fourth Proportional to 13,271.32, 18,313.96 and 7,302.43

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Solution

The fourth proportional to 13,271.32, 18,313.96 and 7,302.43 is: 10,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.32 : 18,313.96 = 7,302.43 : x
  2. Step 2: Convert to fraction form
    13,271.32/18,313.96 = 7,302.43/x
  3. Step 3: Cross multiply
    13,271.32x = 18,313.96 × 7,302.43
  4. Step 4: Simplify right side
    13,271.32x = 133,736,282.84
  5. Step 5: Solve for x
    x = 133,736,282.84/13,271.32
  6. Step 6: Final answer
    x = 10,077.09

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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.