Home / 8,835.75-13,259.07-7,928.13

Finding the Fourth Proportional to 8,835.75, 13,259.07 and 7,928.13

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Solution

The fourth proportional to 8,835.75, 13,259.07 and 7,928.13 is: 11,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.75 : 13,259.07 = 7,928.13 : x
  2. Step 2: Convert to fraction form
    8,835.75/13,259.07 = 7,928.13/x
  3. Step 3: Cross multiply
    8,835.75x = 13,259.07 × 7,928.13
  4. Step 4: Simplify right side
    8,835.75x = 105,119,630.64
  5. Step 5: Solve for x
    x = 105,119,630.64/8,835.75
  6. Step 6: Final answer
    x = 11,897.08

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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.