Home / 15,676.56-23,503.37-5,815.89

Finding the Fourth Proportional to 15,676.56, 23,503.37 and 5,815.89

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Solution

The fourth proportional to 15,676.56, 23,503.37 and 5,815.89 is: 8,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.56 : 23,503.37 = 5,815.89 : x
  2. Step 2: Convert to fraction form
    15,676.56/23,503.37 = 5,815.89/x
  3. Step 3: Cross multiply
    15,676.56x = 23,503.37 × 5,815.89
  4. Step 4: Simplify right side
    15,676.56x = 136,692,985.47
  5. Step 5: Solve for x
    x = 136,692,985.47/15,676.56
  6. Step 6: Final answer
    x = 8,719.58

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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.