Home / 10,860.07-14,987.21-6,144.25

Finding the Fourth Proportional to 10,860.07, 14,987.21 and 6,144.25

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Solution

The fourth proportional to 10,860.07, 14,987.21 and 6,144.25 is: 8,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.07 : 14,987.21 = 6,144.25 : x
  2. Step 2: Convert to fraction form
    10,860.07/14,987.21 = 6,144.25/x
  3. Step 3: Cross multiply
    10,860.07x = 14,987.21 × 6,144.25
  4. Step 4: Simplify right side
    10,860.07x = 92,085,165.04
  5. Step 5: Solve for x
    x = 92,085,165.04/10,860.07
  6. Step 6: Final answer
    x = 8,479.24

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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.