Home / 14,756.90-20,390.46-11,797.16

Finding the Fourth Proportional to 14,756.90, 20,390.46 and 11,797.16

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Solution

The fourth proportional to 14,756.90, 20,390.46 and 11,797.16 is: 16,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.90 : 20,390.46 = 11,797.16 : x
  2. Step 2: Convert to fraction form
    14,756.90/20,390.46 = 11,797.16/x
  3. Step 3: Cross multiply
    14,756.90x = 20,390.46 × 11,797.16
  4. Step 4: Simplify right side
    14,756.90x = 240,549,519.09
  5. Step 5: Solve for x
    x = 240,549,519.09/14,756.90
  6. Step 6: Final answer
    x = 16,300.82

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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.