Home / 18,934.34-28,405.67-5,606.30

Finding the Fourth Proportional to 18,934.34, 28,405.67 and 5,606.30

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Solution

The fourth proportional to 18,934.34, 28,405.67 and 5,606.30 is: 8,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.34 : 28,405.67 = 5,606.30 : x
  2. Step 2: Convert to fraction form
    18,934.34/28,405.67 = 5,606.30/x
  3. Step 3: Cross multiply
    18,934.34x = 28,405.67 × 5,606.30
  4. Step 4: Simplify right side
    18,934.34x = 159,250,537.66
  5. Step 5: Solve for x
    x = 159,250,537.66/18,934.34
  6. Step 6: Final answer
    x = 8,410.67

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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.