Home / 10,860.87-14,987.59-6,145.26

Finding the Fourth Proportional to 10,860.87, 14,987.59 and 6,145.26

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Solution

The fourth proportional to 10,860.87, 14,987.59 and 6,145.26 is: 8,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.87 : 14,987.59 = 6,145.26 : x
  2. Step 2: Convert to fraction form
    10,860.87/14,987.59 = 6,145.26/x
  3. Step 3: Cross multiply
    10,860.87x = 14,987.59 × 6,145.26
  4. Step 4: Simplify right side
    10,860.87x = 92,102,637.32
  5. Step 5: Solve for x
    x = 92,102,637.32/10,860.87
  6. Step 6: Final answer
    x = 8,480.23

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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.