Home / 9,320.07-12,858.54-6,330.69

Finding the Fourth Proportional to 9,320.07, 12,858.54 and 6,330.69

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Solution

The fourth proportional to 9,320.07, 12,858.54 and 6,330.69 is: 8,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.07 : 12,858.54 = 6,330.69 : x
  2. Step 2: Convert to fraction form
    9,320.07/12,858.54 = 6,330.69/x
  3. Step 3: Cross multiply
    9,320.07x = 12,858.54 × 6,330.69
  4. Step 4: Simplify right side
    9,320.07x = 81,403,430.59
  5. Step 5: Solve for x
    x = 81,403,430.59/9,320.07
  6. Step 6: Final answer
    x = 8,734.21

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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.