Home / 12,530.46-17,284.95-11,261.94

Finding the Fourth Proportional to 12,530.46, 17,284.95 and 11,261.94

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Solution

The fourth proportional to 12,530.46, 17,284.95 and 11,261.94 is: 15,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.46 : 17,284.95 = 11,261.94 : x
  2. Step 2: Convert to fraction form
    12,530.46/17,284.95 = 11,261.94/x
  3. Step 3: Cross multiply
    12,530.46x = 17,284.95 × 11,261.94
  4. Step 4: Simplify right side
    12,530.46x = 194,662,069.80
  5. Step 5: Solve for x
    x = 194,662,069.80/12,530.46
  6. Step 6: Final answer
    x = 15,535.11

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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.