Home / 14,909.99-20,574.74-8,195.45

Finding the Fourth Proportional to 14,909.99, 20,574.74 and 8,195.45

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Solution

The fourth proportional to 14,909.99, 20,574.74 and 8,195.45 is: 11,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.99 : 20,574.74 = 8,195.45 : x
  2. Step 2: Convert to fraction form
    14,909.99/20,574.74 = 8,195.45/x
  3. Step 3: Cross multiply
    14,909.99x = 20,574.74 × 8,195.45
  4. Step 4: Simplify right side
    14,909.99x = 168,619,170.55
  5. Step 5: Solve for x
    x = 168,619,170.55/14,909.99
  6. Step 6: Final answer
    x = 11,309.14

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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.