Home / 10,990.98-16,485.66-3,595.32

Finding the Fourth Proportional to 10,990.98, 16,485.66 and 3,595.32

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Solution

The fourth proportional to 10,990.98, 16,485.66 and 3,595.32 is: 5,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.98 : 16,485.66 = 3,595.32 : x
  2. Step 2: Convert to fraction form
    10,990.98/16,485.66 = 3,595.32/x
  3. Step 3: Cross multiply
    10,990.98x = 16,485.66 × 3,595.32
  4. Step 4: Simplify right side
    10,990.98x = 59,271,223.11
  5. Step 5: Solve for x
    x = 59,271,223.11/10,990.98
  6. Step 6: Final answer
    x = 5,392.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.