Home / 19,419.40-26,795.46-10,919.32

Finding the Fourth Proportional to 19,419.40, 26,795.46 and 10,919.32

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Solution

The fourth proportional to 19,419.40, 26,795.46 and 10,919.32 is: 15,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.40 : 26,795.46 = 10,919.32 : x
  2. Step 2: Convert to fraction form
    19,419.40/26,795.46 = 10,919.32/x
  3. Step 3: Cross multiply
    19,419.40x = 26,795.46 × 10,919.32
  4. Step 4: Simplify right side
    19,419.40x = 292,588,202.29
  5. Step 5: Solve for x
    x = 292,588,202.29/19,419.40
  6. Step 6: Final answer
    x = 15,066.80

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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.