Home / 10,122.06-13,970.25-5,875.80

Finding the Fourth Proportional to 10,122.06, 13,970.25 and 5,875.80

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Solution

The fourth proportional to 10,122.06, 13,970.25 and 5,875.80 is: 8,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.06 : 13,970.25 = 5,875.80 : x
  2. Step 2: Convert to fraction form
    10,122.06/13,970.25 = 5,875.80/x
  3. Step 3: Cross multiply
    10,122.06x = 13,970.25 × 5,875.80
  4. Step 4: Simplify right side
    10,122.06x = 82,086,394.95
  5. Step 5: Solve for x
    x = 82,086,394.95/10,122.06
  6. Step 6: Final answer
    x = 8,109.65

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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.