Home / 15,418.08-23,130.72-5,555.52

Finding the Fourth Proportional to 15,418.08, 23,130.72 and 5,555.52

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Solution

The fourth proportional to 15,418.08, 23,130.72 and 5,555.52 is: 8,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.08 : 23,130.72 = 5,555.52 : x
  2. Step 2: Convert to fraction form
    15,418.08/23,130.72 = 5,555.52/x
  3. Step 3: Cross multiply
    15,418.08x = 23,130.72 × 5,555.52
  4. Step 4: Simplify right side
    15,418.08x = 128,503,177.57
  5. Step 5: Solve for x
    x = 128,503,177.57/15,418.08
  6. Step 6: Final answer
    x = 8,334.58

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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.