Home / 10,862.87-14,990.35-6,147.26

Finding the Fourth Proportional to 10,862.87, 14,990.35 and 6,147.26

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Solution

The fourth proportional to 10,862.87, 14,990.35 and 6,147.26 is: 8,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.87 : 14,990.35 = 6,147.26 : x
  2. Step 2: Convert to fraction form
    10,862.87/14,990.35 = 6,147.26/x
  3. Step 3: Cross multiply
    10,862.87x = 14,990.35 × 6,147.26
  4. Step 4: Simplify right side
    10,862.87x = 92,149,578.94
  5. Step 5: Solve for x
    x = 92,149,578.94/10,862.87
  6. Step 6: Final answer
    x = 8,482.99

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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.