Home / 15,467.36-21,345.93-8,750.43

Finding the Fourth Proportional to 15,467.36, 21,345.93 and 8,750.43

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Solution

The fourth proportional to 15,467.36, 21,345.93 and 8,750.43 is: 12,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.36 : 21,345.93 = 8,750.43 : x
  2. Step 2: Convert to fraction form
    15,467.36/21,345.93 = 8,750.43/x
  3. Step 3: Cross multiply
    15,467.36x = 21,345.93 × 8,750.43
  4. Step 4: Simplify right side
    15,467.36x = 186,786,066.25
  5. Step 5: Solve for x
    x = 186,786,066.25/15,467.36
  6. Step 6: Final answer
    x = 12,076.15

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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.