Home / 9,768.46-13,480.47-5,292.25

Finding the Fourth Proportional to 9,768.46, 13,480.47 and 5,292.25

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Solution

The fourth proportional to 9,768.46, 13,480.47 and 5,292.25 is: 7,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.46 : 13,480.47 = 5,292.25 : x
  2. Step 2: Convert to fraction form
    9,768.46/13,480.47 = 5,292.25/x
  3. Step 3: Cross multiply
    9,768.46x = 13,480.47 × 5,292.25
  4. Step 4: Simplify right side
    9,768.46x = 71,342,017.36
  5. Step 5: Solve for x
    x = 71,342,017.36/9,768.46
  6. Step 6: Final answer
    x = 7,303.30

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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.