Home / 14,711.63-20,302.85-8,426.03

Finding the Fourth Proportional to 14,711.63, 20,302.85 and 8,426.03

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Solution

The fourth proportional to 14,711.63, 20,302.85 and 8,426.03 is: 11,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.63 : 20,302.85 = 8,426.03 : x
  2. Step 2: Convert to fraction form
    14,711.63/20,302.85 = 8,426.03/x
  3. Step 3: Cross multiply
    14,711.63x = 20,302.85 × 8,426.03
  4. Step 4: Simplify right side
    14,711.63x = 171,072,342.74
  5. Step 5: Solve for x
    x = 171,072,342.74/14,711.63
  6. Step 6: Final answer
    x = 11,628.38

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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.