Home / 9,768.60-13,480.65-5,292.47

Finding the Fourth Proportional to 9,768.60, 13,480.65 and 5,292.47

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Solution

The fourth proportional to 9,768.60, 13,480.65 and 5,292.47 is: 7,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.60 : 13,480.65 = 5,292.47 : x
  2. Step 2: Convert to fraction form
    9,768.60/13,480.65 = 5,292.47/x
  3. Step 3: Cross multiply
    9,768.60x = 13,480.65 × 5,292.47
  4. Step 4: Simplify right side
    9,768.60x = 71,345,868.30
  5. Step 5: Solve for x
    x = 71,345,868.30/9,768.60
  6. Step 6: Final answer
    x = 7,303.59

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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.