Home / 13,763.47-20,654.93-5,443.77

Finding the Fourth Proportional to 13,763.47, 20,654.93 and 5,443.77

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Solution

The fourth proportional to 13,763.47, 20,654.93 and 5,443.77 is: 8,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.47 : 20,654.93 = 5,443.77 : x
  2. Step 2: Convert to fraction form
    13,763.47/20,654.93 = 5,443.77/x
  3. Step 3: Cross multiply
    13,763.47x = 20,654.93 × 5,443.77
  4. Step 4: Simplify right side
    13,763.47x = 112,440,688.29
  5. Step 5: Solve for x
    x = 112,440,688.29/13,763.47
  6. Step 6: Final answer
    x = 8,169.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.