Home / 20,477.18-30,717.16-6,962.84

Finding the Fourth Proportional to 20,477.18, 30,717.16 and 6,962.84

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Solution

The fourth proportional to 20,477.18, 30,717.16 and 6,962.84 is: 10,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.18 : 30,717.16 = 6,962.84 : x
  2. Step 2: Convert to fraction form
    20,477.18/30,717.16 = 6,962.84/x
  3. Step 3: Cross multiply
    20,477.18x = 30,717.16 × 6,962.84
  4. Step 4: Simplify right side
    20,477.18x = 213,878,729.72
  5. Step 5: Solve for x
    x = 213,878,729.72/20,477.18
  6. Step 6: Final answer
    x = 10,444.74

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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.