Home / 15,615.64-23,427.20-4,523.09

Finding the Fourth Proportional to 15,615.64, 23,427.20 and 4,523.09

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Solution

The fourth proportional to 15,615.64, 23,427.20 and 4,523.09 is: 6,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.64 : 23,427.20 = 4,523.09 : x
  2. Step 2: Convert to fraction form
    15,615.64/23,427.20 = 4,523.09/x
  3. Step 3: Cross multiply
    15,615.64x = 23,427.20 × 4,523.09
  4. Step 4: Simplify right side
    15,615.64x = 105,963,403.92
  5. Step 5: Solve for x
    x = 105,963,403.92/15,615.64
  6. Step 6: Final answer
    x = 6,785.72

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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.