Home / 9,865.28-13,614.12-5,673.50

Finding the Fourth Proportional to 9,865.28, 13,614.12 and 5,673.50

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Solution

The fourth proportional to 9,865.28, 13,614.12 and 5,673.50 is: 7,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.28 : 13,614.12 = 5,673.50 : x
  2. Step 2: Convert to fraction form
    9,865.28/13,614.12 = 5,673.50/x
  3. Step 3: Cross multiply
    9,865.28x = 13,614.12 × 5,673.50
  4. Step 4: Simplify right side
    9,865.28x = 77,239,709.82
  5. Step 5: Solve for x
    x = 77,239,709.82/9,865.28
  6. Step 6: Final answer
    x = 7,829.45

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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.