Home / 15,418.37-23,128.20-4,888.16

Finding the Fourth Proportional to 15,418.37, 23,128.20 and 4,888.16

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Solution

The fourth proportional to 15,418.37, 23,128.20 and 4,888.16 is: 7,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.37 : 23,128.20 = 4,888.16 : x
  2. Step 2: Convert to fraction form
    15,418.37/23,128.20 = 4,888.16/x
  3. Step 3: Cross multiply
    15,418.37x = 23,128.20 × 4,888.16
  4. Step 4: Simplify right side
    15,418.37x = 113,054,342.11
  5. Step 5: Solve for x
    x = 113,054,342.11/15,418.37
  6. Step 6: Final answer
    x = 7,332.44

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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.