Home / 15,238.28-21,032.90-8,954.84

Finding the Fourth Proportional to 15,238.28, 21,032.90 and 8,954.84

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Solution

The fourth proportional to 15,238.28, 21,032.90 and 8,954.84 is: 12,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.28 : 21,032.90 = 8,954.84 : x
  2. Step 2: Convert to fraction form
    15,238.28/21,032.90 = 8,954.84/x
  3. Step 3: Cross multiply
    15,238.28x = 21,032.90 × 8,954.84
  4. Step 4: Simplify right side
    15,238.28x = 188,346,254.24
  5. Step 5: Solve for x
    x = 188,346,254.24/15,238.28
  6. Step 6: Final answer
    x = 12,360.07

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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.