Home / 13,246.23-18,279.71-7,196.45

Finding the Fourth Proportional to 13,246.23, 18,279.71 and 7,196.45

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Solution

The fourth proportional to 13,246.23, 18,279.71 and 7,196.45 is: 9,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.23 : 18,279.71 = 7,196.45 : x
  2. Step 2: Convert to fraction form
    13,246.23/18,279.71 = 7,196.45/x
  3. Step 3: Cross multiply
    13,246.23x = 18,279.71 × 7,196.45
  4. Step 4: Simplify right side
    13,246.23x = 131,548,918.64
  5. Step 5: Solve for x
    x = 131,548,918.64/13,246.23
  6. Step 6: Final answer
    x = 9,931.04

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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.