Home / 9,239.72-12,750.81-5,047.97

Finding the Fourth Proportional to 9,239.72, 12,750.81 and 5,047.97

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Solution

The fourth proportional to 9,239.72, 12,750.81 and 5,047.97 is: 6,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.72 : 12,750.81 = 5,047.97 : x
  2. Step 2: Convert to fraction form
    9,239.72/12,750.81 = 5,047.97/x
  3. Step 3: Cross multiply
    9,239.72x = 12,750.81 × 5,047.97
  4. Step 4: Simplify right side
    9,239.72x = 64,365,642.60
  5. Step 5: Solve for x
    x = 64,365,642.60/9,239.72
  6. Step 6: Final answer
    x = 6,966.19

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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.