Home / 13,918.76-19,209.10-7,632.36

Finding the Fourth Proportional to 13,918.76, 19,209.10 and 7,632.36

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Solution

The fourth proportional to 13,918.76, 19,209.10 and 7,632.36 is: 10,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.76 : 19,209.10 = 7,632.36 : x
  2. Step 2: Convert to fraction form
    13,918.76/19,209.10 = 7,632.36/x
  3. Step 3: Cross multiply
    13,918.76x = 19,209.10 × 7,632.36
  4. Step 4: Simplify right side
    13,918.76x = 146,610,766.48
  5. Step 5: Solve for x
    x = 146,610,766.48/13,918.76
  6. Step 6: Final answer
    x = 10,533.32

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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.