Home / 10,412.26-15,618.40-4,256.26

Finding the Fourth Proportional to 10,412.26, 15,618.40 and 4,256.26

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Solution

The fourth proportional to 10,412.26, 15,618.40 and 4,256.26 is: 6,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.26 : 15,618.40 = 4,256.26 : x
  2. Step 2: Convert to fraction form
    10,412.26/15,618.40 = 4,256.26/x
  3. Step 3: Cross multiply
    10,412.26x = 15,618.40 × 4,256.26
  4. Step 4: Simplify right side
    10,412.26x = 66,475,971.18
  5. Step 5: Solve for x
    x = 66,475,971.18/10,412.26
  6. Step 6: Final answer
    x = 6,384.39

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1.5x scale

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.