Home / 9,783.29-13,500.73-5,306.87

Finding the Fourth Proportional to 9,783.29, 13,500.73 and 5,306.87

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Solution

The fourth proportional to 9,783.29, 13,500.73 and 5,306.87 is: 7,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.29 : 13,500.73 = 5,306.87 : x
  2. Step 2: Convert to fraction form
    9,783.29/13,500.73 = 5,306.87/x
  3. Step 3: Cross multiply
    9,783.29x = 13,500.73 × 5,306.87
  4. Step 4: Simplify right side
    9,783.29x = 71,646,619.02
  5. Step 5: Solve for x
    x = 71,646,619.02/9,783.29
  6. Step 6: Final answer
    x = 7,323.37

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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.