Home / 16,820.65-25,219.37-7,455.57

Finding the Fourth Proportional to 16,820.65, 25,219.37 and 7,455.57

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Solution

The fourth proportional to 16,820.65, 25,219.37 and 7,455.57 is: 11,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.65 : 25,219.37 = 7,455.57 : x
  2. Step 2: Convert to fraction form
    16,820.65/25,219.37 = 7,455.57/x
  3. Step 3: Cross multiply
    16,820.65x = 25,219.37 × 7,455.57
  4. Step 4: Simplify right side
    16,820.65x = 188,024,615.02
  5. Step 5: Solve for x
    x = 188,024,615.02/16,820.65
  6. Step 6: Final answer
    x = 11,178.20

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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.