Home / 10,990.23-16,485.12-2,670.29

Finding the Fourth Proportional to 10,990.23, 16,485.12 and 2,670.29

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Solution

The fourth proportional to 10,990.23, 16,485.12 and 2,670.29 is: 4,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.23 : 16,485.12 = 2,670.29 : x
  2. Step 2: Convert to fraction form
    10,990.23/16,485.12 = 2,670.29/x
  3. Step 3: Cross multiply
    10,990.23x = 16,485.12 × 2,670.29
  4. Step 4: Simplify right side
    10,990.23x = 44,020,051.08
  5. Step 5: Solve for x
    x = 44,020,051.08/10,990.23
  6. Step 6: Final answer
    x = 4,005.38

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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.