Home / 9,306.56-13,969.08-7,572.02

Finding the Fourth Proportional to 9,306.56, 13,969.08 and 7,572.02

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Solution

The fourth proportional to 9,306.56, 13,969.08 and 7,572.02 is: 11,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.56 : 13,969.08 = 7,572.02 : x
  2. Step 2: Convert to fraction form
    9,306.56/13,969.08 = 7,572.02/x
  3. Step 3: Cross multiply
    9,306.56x = 13,969.08 × 7,572.02
  4. Step 4: Simplify right side
    9,306.56x = 105,774,083.30
  5. Step 5: Solve for x
    x = 105,774,083.30/9,306.56
  6. Step 6: Final answer
    x = 11,365.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.