Home / 11,528.41-15,910.40-7,055.14

Finding the Fourth Proportional to 11,528.41, 15,910.40 and 7,055.14

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Solution

The fourth proportional to 11,528.41, 15,910.40 and 7,055.14 is: 9,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.41 : 15,910.40 = 7,055.14 : x
  2. Step 2: Convert to fraction form
    11,528.41/15,910.40 = 7,055.14/x
  3. Step 3: Cross multiply
    11,528.41x = 15,910.40 × 7,055.14
  4. Step 4: Simplify right side
    11,528.41x = 112,249,984.63
  5. Step 5: Solve for x
    x = 112,249,984.63/11,528.41
  6. Step 6: Final answer
    x = 9,736.82

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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.