Home / 13,063.83-18,031.95-7,761.84

Finding the Fourth Proportional to 13,063.83, 18,031.95 and 7,761.84

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Solution

The fourth proportional to 13,063.83, 18,031.95 and 7,761.84 is: 10,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.83 : 18,031.95 = 7,761.84 : x
  2. Step 2: Convert to fraction form
    13,063.83/18,031.95 = 7,761.84/x
  3. Step 3: Cross multiply
    13,063.83x = 18,031.95 × 7,761.84
  4. Step 4: Simplify right side
    13,063.83x = 139,961,110.79
  5. Step 5: Solve for x
    x = 139,961,110.79/13,063.83
  6. Step 6: Final answer
    x = 10,713.64

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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.