Home / 10,815.89-14,926.62-6,100.47

Finding the Fourth Proportional to 10,815.89, 14,926.62 and 6,100.47

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Solution

The fourth proportional to 10,815.89, 14,926.62 and 6,100.47 is: 8,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.89 : 14,926.62 = 6,100.47 : x
  2. Step 2: Convert to fraction form
    10,815.89/14,926.62 = 6,100.47/x
  3. Step 3: Cross multiply
    10,815.89x = 14,926.62 × 6,100.47
  4. Step 4: Simplify right side
    10,815.89x = 91,059,397.51
  5. Step 5: Solve for x
    x = 91,059,397.51/10,815.89
  6. Step 6: Final answer
    x = 8,419.04

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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.