Home / 16,989.50-25,487.90-5,303.63

Finding the Fourth Proportional to 16,989.50, 25,487.90 and 5,303.63

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Solution

The fourth proportional to 16,989.50, 25,487.90 and 5,303.63 is: 7,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.50 : 25,487.90 = 5,303.63 : x
  2. Step 2: Convert to fraction form
    16,989.50/25,487.90 = 5,303.63/x
  3. Step 3: Cross multiply
    16,989.50x = 25,487.90 × 5,303.63
  4. Step 4: Simplify right side
    16,989.50x = 135,178,237.12
  5. Step 5: Solve for x
    x = 135,178,237.12/16,989.50
  6. Step 6: Final answer
    x = 7,956.58

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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.