Home / 10,860.01-14,987.43-8,202.80

Finding the Fourth Proportional to 10,860.01, 14,987.43 and 8,202.80

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Solution

The fourth proportional to 10,860.01, 14,987.43 and 8,202.80 is: 11,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.01 : 14,987.43 = 8,202.80 : x
  2. Step 2: Convert to fraction form
    10,860.01/14,987.43 = 8,202.80/x
  3. Step 3: Cross multiply
    10,860.01x = 14,987.43 × 8,202.80
  4. Step 4: Simplify right side
    10,860.01x = 122,938,928.27
  5. Step 5: Solve for x
    x = 122,938,928.27/10,860.01
  6. Step 6: Final answer
    x = 11,320.34

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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.