Home / 10,419.40-14,378.40-5,944.58

Finding the Fourth Proportional to 10,419.40, 14,378.40 and 5,944.58

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Solution

The fourth proportional to 10,419.40, 14,378.40 and 5,944.58 is: 8,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.40 : 14,378.40 = 5,944.58 : x
  2. Step 2: Convert to fraction form
    10,419.40/14,378.40 = 5,944.58/x
  3. Step 3: Cross multiply
    10,419.40x = 14,378.40 × 5,944.58
  4. Step 4: Simplify right side
    10,419.40x = 85,473,549.07
  5. Step 5: Solve for x
    x = 85,473,549.07/10,419.40
  6. Step 6: Final answer
    x = 8,203.31

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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.