Home / 9,990.23-14,992.03-4,146.84

Finding the Fourth Proportional to 9,990.23, 14,992.03 and 4,146.84

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Solution

The fourth proportional to 9,990.23, 14,992.03 and 4,146.84 is: 6,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.23 : 14,992.03 = 4,146.84 : x
  2. Step 2: Convert to fraction form
    9,990.23/14,992.03 = 4,146.84/x
  3. Step 3: Cross multiply
    9,990.23x = 14,992.03 × 4,146.84
  4. Step 4: Simplify right side
    9,990.23x = 62,169,549.69
  5. Step 5: Solve for x
    x = 62,169,549.69/9,990.23
  6. Step 6: Final answer
    x = 6,223.03

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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.