Home / 10,860.16-14,987.09-6,145.37

Finding the Fourth Proportional to 10,860.16, 14,987.09 and 6,145.37

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Solution

The fourth proportional to 10,860.16, 14,987.09 and 6,145.37 is: 8,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.16 : 14,987.09 = 6,145.37 : x
  2. Step 2: Convert to fraction form
    10,860.16/14,987.09 = 6,145.37/x
  3. Step 3: Cross multiply
    10,860.16x = 14,987.09 × 6,145.37
  4. Step 4: Simplify right side
    10,860.16x = 92,101,182.55
  5. Step 5: Solve for x
    x = 92,101,182.55/10,860.16
  6. Step 6: Final answer
    x = 8,480.65

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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.