Home / 13,152.06-18,145.26-7,486.08

Finding the Fourth Proportional to 13,152.06, 18,145.26 and 7,486.08

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Solution

The fourth proportional to 13,152.06, 18,145.26 and 7,486.08 is: 10,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.06 : 18,145.26 = 7,486.08 : x
  2. Step 2: Convert to fraction form
    13,152.06/18,145.26 = 7,486.08/x
  3. Step 3: Cross multiply
    13,152.06x = 18,145.26 × 7,486.08
  4. Step 4: Simplify right side
    13,152.06x = 135,836,867.98
  5. Step 5: Solve for x
    x = 135,836,867.98/13,152.06
  6. Step 6: Final answer
    x = 10,328.18

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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.