Home / 10,106.26-15,154.80-4,259.68

Finding the Fourth Proportional to 10,106.26, 15,154.80 and 4,259.68

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Solution

The fourth proportional to 10,106.26, 15,154.80 and 4,259.68 is: 6,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.26 : 15,154.80 = 4,259.68 : x
  2. Step 2: Convert to fraction form
    10,106.26/15,154.80 = 4,259.68/x
  3. Step 3: Cross multiply
    10,106.26x = 15,154.80 × 4,259.68
  4. Step 4: Simplify right side
    10,106.26x = 64,554,598.46
  5. Step 5: Solve for x
    x = 64,554,598.46/10,106.26
  6. Step 6: Final answer
    x = 6,387.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.