Home / 11,548.58-15,934.07-7,070.69

Finding the Fourth Proportional to 11,548.58, 15,934.07 and 7,070.69

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Solution

The fourth proportional to 11,548.58, 15,934.07 and 7,070.69 is: 9,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.58 : 15,934.07 = 7,070.69 : x
  2. Step 2: Convert to fraction form
    11,548.58/15,934.07 = 7,070.69/x
  3. Step 3: Cross multiply
    11,548.58x = 15,934.07 × 7,070.69
  4. Step 4: Simplify right side
    11,548.58x = 112,664,926.92
  5. Step 5: Solve for x
    x = 112,664,926.92/11,548.58
  6. Step 6: Final answer
    x = 9,755.74

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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.