Home / 14,464.08-19,952.46-9,990.18

Finding the Fourth Proportional to 14,464.08, 19,952.46 and 9,990.18

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Solution

The fourth proportional to 14,464.08, 19,952.46 and 9,990.18 is: 13,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.08 : 19,952.46 = 9,990.18 : x
  2. Step 2: Convert to fraction form
    14,464.08/19,952.46 = 9,990.18/x
  3. Step 3: Cross multiply
    14,464.08x = 19,952.46 × 9,990.18
  4. Step 4: Simplify right side
    14,464.08x = 199,328,666.84
  5. Step 5: Solve for x
    x = 199,328,666.84/14,464.08
  6. Step 6: Final answer
    x = 13,780.94

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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.