Home / 20,525.47-30,776.63-6,482.90

Finding the Fourth Proportional to 20,525.47, 30,776.63 and 6,482.90

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Solution

The fourth proportional to 20,525.47, 30,776.63 and 6,482.90 is: 9,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.47 : 30,776.63 = 6,482.90 : x
  2. Step 2: Convert to fraction form
    20,525.47/30,776.63 = 6,482.90/x
  3. Step 3: Cross multiply
    20,525.47x = 30,776.63 × 6,482.90
  4. Step 4: Simplify right side
    20,525.47x = 199,521,859.15
  5. Step 5: Solve for x
    x = 199,521,859.15/20,525.47
  6. Step 6: Final answer
    x = 9,720.70

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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.