Home / 13,901.49-20,848.50-6,498.72

Finding the Fourth Proportional to 13,901.49, 20,848.50 and 6,498.72

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Solution

The fourth proportional to 13,901.49, 20,848.50 and 6,498.72 is: 9,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.49 : 20,848.50 = 6,498.72 : x
  2. Step 2: Convert to fraction form
    13,901.49/20,848.50 = 6,498.72/x
  3. Step 3: Cross multiply
    13,901.49x = 20,848.50 × 6,498.72
  4. Step 4: Simplify right side
    13,901.49x = 135,488,563.92
  5. Step 5: Solve for x
    x = 135,488,563.92/13,901.49
  6. Step 6: Final answer
    x = 9,746.33

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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.