Home / 14,426.21-19,892.46-9,381.07

Finding the Fourth Proportional to 14,426.21, 19,892.46 and 9,381.07

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Solution

The fourth proportional to 14,426.21, 19,892.46 and 9,381.07 is: 12,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.21 : 19,892.46 = 9,381.07 : x
  2. Step 2: Convert to fraction form
    14,426.21/19,892.46 = 9,381.07/x
  3. Step 3: Cross multiply
    14,426.21x = 19,892.46 × 9,381.07
  4. Step 4: Simplify right side
    14,426.21x = 186,612,619.78
  5. Step 5: Solve for x
    x = 186,612,619.78/14,426.21
  6. Step 6: Final answer
    x = 12,935.66

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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.