Home / 15,542.15-21,308.72-15,262.16

Finding the Fourth Proportional to 15,542.15, 21,308.72 and 15,262.16

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Solution

The fourth proportional to 15,542.15, 21,308.72 and 15,262.16 is: 20,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.15 : 21,308.72 = 15,262.16 : x
  2. Step 2: Convert to fraction form
    15,542.15/21,308.72 = 15,262.16/x
  3. Step 3: Cross multiply
    15,542.15x = 21,308.72 × 15,262.16
  4. Step 4: Simplify right side
    15,542.15x = 325,216,911.18
  5. Step 5: Solve for x
    x = 325,216,911.18/15,542.15
  6. Step 6: Final answer
    x = 20,924.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.