Home / 13,249.64-18,284.84-7,281.47

Finding the Fourth Proportional to 13,249.64, 18,284.84 and 7,281.47

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Solution

The fourth proportional to 13,249.64, 18,284.84 and 7,281.47 is: 10,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.64 : 18,284.84 = 7,281.47 : x
  2. Step 2: Convert to fraction form
    13,249.64/18,284.84 = 7,281.47/x
  3. Step 3: Cross multiply
    13,249.64x = 18,284.84 × 7,281.47
  4. Step 4: Simplify right side
    13,249.64x = 133,140,386.08
  5. Step 5: Solve for x
    x = 133,140,386.08/13,249.64
  6. Step 6: Final answer
    x = 10,048.61

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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.