Home / 25,637.10-38,448.45-8,112.30

Finding the Fourth Proportional to 25,637.10, 38,448.45 and 8,112.30

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Solution

The fourth proportional to 25,637.10, 38,448.45 and 8,112.30 is: 12,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.10 : 38,448.45 = 8,112.30 : x
  2. Step 2: Convert to fraction form
    25,637.10/38,448.45 = 8,112.30/x
  3. Step 3: Cross multiply
    25,637.10x = 38,448.45 × 8,112.30
  4. Step 4: Simplify right side
    25,637.10x = 311,905,360.94
  5. Step 5: Solve for x
    x = 311,905,360.94/25,637.10
  6. Step 6: Final answer
    x = 12,166.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.