Home / 15,585.96-21,507.75-8,873.22

Finding the Fourth Proportional to 15,585.96, 21,507.75 and 8,873.22

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Solution

The fourth proportional to 15,585.96, 21,507.75 and 8,873.22 is: 12,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.96 : 21,507.75 = 8,873.22 : x
  2. Step 2: Convert to fraction form
    15,585.96/21,507.75 = 8,873.22/x
  3. Step 3: Cross multiply
    15,585.96x = 21,507.75 × 8,873.22
  4. Step 4: Simplify right side
    15,585.96x = 190,842,997.46
  5. Step 5: Solve for x
    x = 190,842,997.46/15,585.96
  6. Step 6: Final answer
    x = 12,244.55

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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.