Home / 14,028.48-19,345.79-9,439.60

Finding the Fourth Proportional to 14,028.48, 19,345.79 and 9,439.60

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Solution

The fourth proportional to 14,028.48, 19,345.79 and 9,439.60 is: 13,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.48 : 19,345.79 = 9,439.60 : x
  2. Step 2: Convert to fraction form
    14,028.48/19,345.79 = 9,439.60/x
  3. Step 3: Cross multiply
    14,028.48x = 19,345.79 × 9,439.60
  4. Step 4: Simplify right side
    14,028.48x = 182,616,494.52
  5. Step 5: Solve for x
    x = 182,616,494.52/14,028.48
  6. Step 6: Final answer
    x = 13,017.55

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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.