Home / 13,748.00-18,980.84-9,448.50

Finding the Fourth Proportional to 13,748.00, 18,980.84 and 9,448.50

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Solution

The fourth proportional to 13,748.00, 18,980.84 and 9,448.50 is: 13,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.00 : 18,980.84 = 9,448.50 : x
  2. Step 2: Convert to fraction form
    13,748.00/18,980.84 = 9,448.50/x
  3. Step 3: Cross multiply
    13,748.00x = 18,980.84 × 9,448.50
  4. Step 4: Simplify right side
    13,748.00x = 179,340,366.04
  5. Step 5: Solve for x
    x = 179,340,366.04/13,748.00
  6. Step 6: Final answer
    x = 13,044.83

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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.