Home / 13,663.16-20,482.14-5,348.84

Finding the Fourth Proportional to 13,663.16, 20,482.14 and 5,348.84

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Solution

The fourth proportional to 13,663.16, 20,482.14 and 5,348.84 is: 8,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.16 : 20,482.14 = 5,348.84 : x
  2. Step 2: Convert to fraction form
    13,663.16/20,482.14 = 5,348.84/x
  3. Step 3: Cross multiply
    13,663.16x = 20,482.14 × 5,348.84
  4. Step 4: Simplify right side
    13,663.16x = 109,555,689.72
  5. Step 5: Solve for x
    x = 109,555,689.72/13,663.16
  6. Step 6: Final answer
    x = 8,018.33

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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.