Home / 13,976.04-19,287.24-7,688.52

Finding the Fourth Proportional to 13,976.04, 19,287.24 and 7,688.52

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Solution

The fourth proportional to 13,976.04, 19,287.24 and 7,688.52 is: 10,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.04 : 19,287.24 = 7,688.52 : x
  2. Step 2: Convert to fraction form
    13,976.04/19,287.24 = 7,688.52/x
  3. Step 3: Cross multiply
    13,976.04x = 19,287.24 × 7,688.52
  4. Step 4: Simplify right side
    13,976.04x = 148,290,330.48
  5. Step 5: Solve for x
    x = 148,290,330.48/13,976.04
  6. Step 6: Final answer
    x = 10,610.33

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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.