Home / 14,449.68-19,928.08-9,412

Finding the Fourth Proportional to 14,449.68, 19,928.08 and 9,412

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Solution

The fourth proportional to 14,449.68, 19,928.08 and 9,412 is: 12,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.68 : 19,928.08 = 9,412 : x
  2. Step 2: Convert to fraction form
    14,449.68/19,928.08 = 9,412/x
  3. Step 3: Cross multiply
    14,449.68x = 19,928.08 × 9,412
  4. Step 4: Simplify right side
    14,449.68x = 187,563,088.96
  5. Step 5: Solve for x
    x = 187,563,088.96/14,449.68
  6. Step 6: Final answer
    x = 12,980.43

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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.