Home / 10,419.03-14,374.38-6,641.32

Finding the Fourth Proportional to 10,419.03, 14,374.38 and 6,641.32

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Solution

The fourth proportional to 10,419.03, 14,374.38 and 6,641.32 is: 9,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.03 : 14,374.38 = 6,641.32 : x
  2. Step 2: Convert to fraction form
    10,419.03/14,374.38 = 6,641.32/x
  3. Step 3: Cross multiply
    10,419.03x = 14,374.38 × 6,641.32
  4. Step 4: Simplify right side
    10,419.03x = 95,464,900.25
  5. Step 5: Solve for x
    x = 95,464,900.25/10,419.03
  6. Step 6: Final answer
    x = 9,162.55

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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.