Home / 14,715.18-20,306.44-8,426.34

Finding the Fourth Proportional to 14,715.18, 20,306.44 and 8,426.34

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Solution

The fourth proportional to 14,715.18, 20,306.44 and 8,426.34 is: 11,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.18 : 20,306.44 = 8,426.34 : x
  2. Step 2: Convert to fraction form
    14,715.18/20,306.44 = 8,426.34/x
  3. Step 3: Cross multiply
    14,715.18x = 20,306.44 × 8,426.34
  4. Step 4: Simplify right side
    14,715.18x = 171,108,967.63
  5. Step 5: Solve for x
    x = 171,108,967.63/14,715.18
  6. Step 6: Final answer
    x = 11,628.06

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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.