Home / 11,975.04-16,530.06-10,289.64

Finding the Fourth Proportional to 11,975.04, 16,530.06 and 10,289.64

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Solution

The fourth proportional to 11,975.04, 16,530.06 and 10,289.64 is: 14,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.04 : 16,530.06 = 10,289.64 : x
  2. Step 2: Convert to fraction form
    11,975.04/16,530.06 = 10,289.64/x
  3. Step 3: Cross multiply
    11,975.04x = 16,530.06 × 10,289.64
  4. Step 4: Simplify right side
    11,975.04x = 170,088,366.58
  5. Step 5: Solve for x
    x = 170,088,366.58/11,975.04
  6. Step 6: Final answer
    x = 14,203.57

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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.