Home / 16,991.47-25,486.30-5,303.35

Finding the Fourth Proportional to 16,991.47, 25,486.30 and 5,303.35

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Solution

The fourth proportional to 16,991.47, 25,486.30 and 5,303.35 is: 7,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.47 : 25,486.30 = 5,303.35 : x
  2. Step 2: Convert to fraction form
    16,991.47/25,486.30 = 5,303.35/x
  3. Step 3: Cross multiply
    16,991.47x = 25,486.30 × 5,303.35
  4. Step 4: Simplify right side
    16,991.47x = 135,162,769.11
  5. Step 5: Solve for x
    x = 135,162,769.11/16,991.47
  6. Step 6: Final answer
    x = 7,954.74

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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.