Home / 10,988.26-15,162.59-6,271.63

Finding the Fourth Proportional to 10,988.26, 15,162.59 and 6,271.63

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Solution

The fourth proportional to 10,988.26, 15,162.59 and 6,271.63 is: 8,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.26 : 15,162.59 = 6,271.63 : x
  2. Step 2: Convert to fraction form
    10,988.26/15,162.59 = 6,271.63/x
  3. Step 3: Cross multiply
    10,988.26x = 15,162.59 × 6,271.63
  4. Step 4: Simplify right side
    10,988.26x = 95,094,132.09
  5. Step 5: Solve for x
    x = 95,094,132.09/10,988.26
  6. Step 6: Final answer
    x = 8,654.16

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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.