Home / 12,546.13-17,316.35-7,511.47

Finding the Fourth Proportional to 12,546.13, 17,316.35 and 7,511.47

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Solution

The fourth proportional to 12,546.13, 17,316.35 and 7,511.47 is: 10,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.13 : 17,316.35 = 7,511.47 : x
  2. Step 2: Convert to fraction form
    12,546.13/17,316.35 = 7,511.47/x
  3. Step 3: Cross multiply
    12,546.13x = 17,316.35 × 7,511.47
  4. Step 4: Simplify right side
    12,546.13x = 130,071,262.31
  5. Step 5: Solve for x
    x = 130,071,262.31/12,546.13
  6. Step 6: Final answer
    x = 10,367.45

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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.