Home / 14,402.28-19,875.12-8,433.66

Finding the Fourth Proportional to 14,402.28, 19,875.12 and 8,433.66

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Solution

The fourth proportional to 14,402.28, 19,875.12 and 8,433.66 is: 11,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.28 : 19,875.12 = 8,433.66 : x
  2. Step 2: Convert to fraction form
    14,402.28/19,875.12 = 8,433.66/x
  3. Step 3: Cross multiply
    14,402.28x = 19,875.12 × 8,433.66
  4. Step 4: Simplify right side
    14,402.28x = 167,620,004.54
  5. Step 5: Solve for x
    x = 167,620,004.54/14,402.28
  6. Step 6: Final answer
    x = 11,638.44

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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.