Home / 10,106.69-13,948.46-6,127.79

Finding the Fourth Proportional to 10,106.69, 13,948.46 and 6,127.79

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Solution

The fourth proportional to 10,106.69, 13,948.46 and 6,127.79 is: 8,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.69 : 13,948.46 = 6,127.79 : x
  2. Step 2: Convert to fraction form
    10,106.69/13,948.46 = 6,127.79/x
  3. Step 3: Cross multiply
    10,106.69x = 13,948.46 × 6,127.79
  4. Step 4: Simplify right side
    10,106.69x = 85,473,156.30
  5. Step 5: Solve for x
    x = 85,473,156.30/10,106.69
  6. Step 6: Final answer
    x = 8,457.09

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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.