Home / 14,689.56-20,271.54-8,401.92

Finding the Fourth Proportional to 14,689.56, 20,271.54 and 8,401.92

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Solution

The fourth proportional to 14,689.56, 20,271.54 and 8,401.92 is: 11,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.56 : 20,271.54 = 8,401.92 : x
  2. Step 2: Convert to fraction form
    14,689.56/20,271.54 = 8,401.92/x
  3. Step 3: Cross multiply
    14,689.56x = 20,271.54 × 8,401.92
  4. Step 4: Simplify right side
    14,689.56x = 170,319,857.36
  5. Step 5: Solve for x
    x = 170,319,857.36/14,689.56
  6. Step 6: Final answer
    x = 11,594.62

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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.