Home / 10,860.87-14,987.27-6,144.84

Finding the Fourth Proportional to 10,860.87, 14,987.27 and 6,144.84

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Solution

The fourth proportional to 10,860.87, 14,987.27 and 6,144.84 is: 8,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.87 : 14,987.27 = 6,144.84 : x
  2. Step 2: Convert to fraction form
    10,860.87/14,987.27 = 6,144.84/x
  3. Step 3: Cross multiply
    10,860.87x = 14,987.27 × 6,144.84
  4. Step 4: Simplify right side
    10,860.87x = 92,094,345.46
  5. Step 5: Solve for x
    x = 92,094,345.46/10,860.87
  6. Step 6: Final answer
    x = 8,479.46

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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.