Home / 9,825.12-13,558.86-7,703.19

Finding the Fourth Proportional to 9,825.12, 13,558.86 and 7,703.19

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Solution

The fourth proportional to 9,825.12, 13,558.86 and 7,703.19 is: 10,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.12 : 13,558.86 = 7,703.19 : x
  2. Step 2: Convert to fraction form
    9,825.12/13,558.86 = 7,703.19/x
  3. Step 3: Cross multiply
    9,825.12x = 13,558.86 × 7,703.19
  4. Step 4: Simplify right side
    9,825.12x = 104,446,474.76
  5. Step 5: Solve for x
    x = 104,446,474.76/9,825.12
  6. Step 6: Final answer
    x = 10,630.55

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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.