Home / 8,970.26-13,448.69-6,188.99

Finding the Fourth Proportional to 8,970.26, 13,448.69 and 6,188.99

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Solution

The fourth proportional to 8,970.26, 13,448.69 and 6,188.99 is: 9,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.26 : 13,448.69 = 6,188.99 : x
  2. Step 2: Convert to fraction form
    8,970.26/13,448.69 = 6,188.99/x
  3. Step 3: Cross multiply
    8,970.26x = 13,448.69 × 6,188.99
  4. Step 4: Simplify right side
    8,970.26x = 83,233,810.60
  5. Step 5: Solve for x
    x = 83,233,810.60/8,970.26
  6. Step 6: Final answer
    x = 9,278.87

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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.