Home / 10,867.98-14,995.34-6,621.24

Finding the Fourth Proportional to 10,867.98, 14,995.34 and 6,621.24

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Solution

The fourth proportional to 10,867.98, 14,995.34 and 6,621.24 is: 9,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.98 : 14,995.34 = 6,621.24 : x
  2. Step 2: Convert to fraction form
    10,867.98/14,995.34 = 6,621.24/x
  3. Step 3: Cross multiply
    10,867.98x = 14,995.34 × 6,621.24
  4. Step 4: Simplify right side
    10,867.98x = 99,287,745.02
  5. Step 5: Solve for x
    x = 99,287,745.02/10,867.98
  6. Step 6: Final answer
    x = 9,135.80

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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.