Home / 15,289.80-21,110.24-9,556.02

Finding the Fourth Proportional to 15,289.80, 21,110.24 and 9,556.02

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Solution

The fourth proportional to 15,289.80, 21,110.24 and 9,556.02 is: 13,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.80 : 21,110.24 = 9,556.02 : x
  2. Step 2: Convert to fraction form
    15,289.80/21,110.24 = 9,556.02/x
  3. Step 3: Cross multiply
    15,289.80x = 21,110.24 × 9,556.02
  4. Step 4: Simplify right side
    15,289.80x = 201,729,875.64
  5. Step 5: Solve for x
    x = 201,729,875.64/15,289.80
  6. Step 6: Final answer
    x = 13,193.76

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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.