Home / 14,287.79-19,713.96-8,623.46

Finding the Fourth Proportional to 14,287.79, 19,713.96 and 8,623.46

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Solution

The fourth proportional to 14,287.79, 19,713.96 and 8,623.46 is: 11,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.79 : 19,713.96 = 8,623.46 : x
  2. Step 2: Convert to fraction form
    14,287.79/19,713.96 = 8,623.46/x
  3. Step 3: Cross multiply
    14,287.79x = 19,713.96 × 8,623.46
  4. Step 4: Simplify right side
    14,287.79x = 170,002,545.50
  5. Step 5: Solve for x
    x = 170,002,545.50/14,287.79
  6. Step 6: Final answer
    x = 11,898.45

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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.