Home / 15,615.07-23,418.95-4,518.79

Finding the Fourth Proportional to 15,615.07, 23,418.95 and 4,518.79

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Solution

The fourth proportional to 15,615.07, 23,418.95 and 4,518.79 is: 6,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.07 : 23,418.95 = 4,518.79 : x
  2. Step 2: Convert to fraction form
    15,615.07/23,418.95 = 4,518.79/x
  3. Step 3: Cross multiply
    15,615.07x = 23,418.95 × 4,518.79
  4. Step 4: Simplify right side
    15,615.07x = 105,825,235.93
  5. Step 5: Solve for x
    x = 105,825,235.93/15,615.07
  6. Step 6: Final answer
    x = 6,777.12

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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.