Home / 12,300.72-16,975.08-6,995.22

Finding the Fourth Proportional to 12,300.72, 16,975.08 and 6,995.22

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Solution

The fourth proportional to 12,300.72, 16,975.08 and 6,995.22 is: 9,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.72 : 16,975.08 = 6,995.22 : x
  2. Step 2: Convert to fraction form
    12,300.72/16,975.08 = 6,995.22/x
  3. Step 3: Cross multiply
    12,300.72x = 16,975.08 × 6,995.22
  4. Step 4: Simplify right side
    12,300.72x = 118,744,419.12
  5. Step 5: Solve for x
    x = 118,744,419.12/12,300.72
  6. Step 6: Final answer
    x = 9,653.45

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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.