Home / 10,160.88-15,219.40-6,859.32

Finding the Fourth Proportional to 10,160.88, 15,219.40 and 6,859.32

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Solution

The fourth proportional to 10,160.88, 15,219.40 and 6,859.32 is: 10,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.88 : 15,219.40 = 6,859.32 : x
  2. Step 2: Convert to fraction form
    10,160.88/15,219.40 = 6,859.32/x
  3. Step 3: Cross multiply
    10,160.88x = 15,219.40 × 6,859.32
  4. Step 4: Simplify right side
    10,160.88x = 104,394,734.81
  5. Step 5: Solve for x
    x = 104,394,734.81/10,160.88
  6. Step 6: Final answer
    x = 10,274.18

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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.