Home / 14,795.21-20,417.06-8,080.86

Finding the Fourth Proportional to 14,795.21, 20,417.06 and 8,080.86

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Solution

The fourth proportional to 14,795.21, 20,417.06 and 8,080.86 is: 11,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.21 : 20,417.06 = 8,080.86 : x
  2. Step 2: Convert to fraction form
    14,795.21/20,417.06 = 8,080.86/x
  3. Step 3: Cross multiply
    14,795.21x = 20,417.06 × 8,080.86
  4. Step 4: Simplify right side
    14,795.21x = 164,987,319.90
  5. Step 5: Solve for x
    x = 164,987,319.90/14,795.21
  6. Step 6: Final answer
    x = 11,151.40

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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.