Home / 10,419.26-14,377.29-8,300.18

Finding the Fourth Proportional to 10,419.26, 14,377.29 and 8,300.18

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Solution

The fourth proportional to 10,419.26, 14,377.29 and 8,300.18 is: 11,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.26 : 14,377.29 = 8,300.18 : x
  2. Step 2: Convert to fraction form
    10,419.26/14,377.29 = 8,300.18/x
  3. Step 3: Cross multiply
    10,419.26x = 14,377.29 × 8,300.18
  4. Step 4: Simplify right side
    10,419.26x = 119,334,023.03
  5. Step 5: Solve for x
    x = 119,334,023.03/10,419.26
  6. Step 6: Final answer
    x = 11,453.22

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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.