Home / 15,556.48-21,468.24-8,483.20

Finding the Fourth Proportional to 15,556.48, 21,468.24 and 8,483.20

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Solution

The fourth proportional to 15,556.48, 21,468.24 and 8,483.20 is: 11,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.48 : 21,468.24 = 8,483.20 : x
  2. Step 2: Convert to fraction form
    15,556.48/21,468.24 = 8,483.20/x
  3. Step 3: Cross multiply
    15,556.48x = 21,468.24 × 8,483.20
  4. Step 4: Simplify right side
    15,556.48x = 182,119,373.57
  5. Step 5: Solve for x
    x = 182,119,373.57/15,556.48
  6. Step 6: Final answer
    x = 11,706.98

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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.