Home / 11,376.45-15,698.95-6,341.22

Finding the Fourth Proportional to 11,376.45, 15,698.95 and 6,341.22

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Solution

The fourth proportional to 11,376.45, 15,698.95 and 6,341.22 is: 8,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.45 : 15,698.95 = 6,341.22 : x
  2. Step 2: Convert to fraction form
    11,376.45/15,698.95 = 6,341.22/x
  3. Step 3: Cross multiply
    11,376.45x = 15,698.95 × 6,341.22
  4. Step 4: Simplify right side
    11,376.45x = 99,550,479.87
  5. Step 5: Solve for x
    x = 99,550,479.87/11,376.45
  6. Step 6: Final answer
    x = 8,750.58

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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.