Home / 20,525.04-30,783.16-6,486.16

Finding the Fourth Proportional to 20,525.04, 30,783.16 and 6,486.16

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Solution

The fourth proportional to 20,525.04, 30,783.16 and 6,486.16 is: 9,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.04 : 30,783.16 = 6,486.16 : x
  2. Step 2: Convert to fraction form
    20,525.04/30,783.16 = 6,486.16/x
  3. Step 3: Cross multiply
    20,525.04x = 30,783.16 × 6,486.16
  4. Step 4: Simplify right side
    20,525.04x = 199,664,501.07
  5. Step 5: Solve for x
    x = 199,664,501.07/20,525.04
  6. Step 6: Final answer
    x = 9,727.85

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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.