Home / 12,011.04-16,578.72-6,976.40

Finding the Fourth Proportional to 12,011.04, 16,578.72 and 6,976.40

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Solution

The fourth proportional to 12,011.04, 16,578.72 and 6,976.40 is: 9,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.04 : 16,578.72 = 6,976.40 : x
  2. Step 2: Convert to fraction form
    12,011.04/16,578.72 = 6,976.40/x
  3. Step 3: Cross multiply
    12,011.04x = 16,578.72 × 6,976.40
  4. Step 4: Simplify right side
    12,011.04x = 115,659,782.21
  5. Step 5: Solve for x
    x = 115,659,782.21/12,011.04
  6. Step 6: Final answer
    x = 9,629.46

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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.