Home / 11,203.32-15,461.91-6,487.77

Finding the Fourth Proportional to 11,203.32, 15,461.91 and 6,487.77

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Solution

The fourth proportional to 11,203.32, 15,461.91 and 6,487.77 is: 8,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.32 : 15,461.91 = 6,487.77 : x
  2. Step 2: Convert to fraction form
    11,203.32/15,461.91 = 6,487.77/x
  3. Step 3: Cross multiply
    11,203.32x = 15,461.91 × 6,487.77
  4. Step 4: Simplify right side
    11,203.32x = 100,313,315.84
  5. Step 5: Solve for x
    x = 100,313,315.84/11,203.32
  6. Step 6: Final answer
    x = 8,953.89

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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.