Home / 10,427.58-15,647.85-4,271.58

Finding the Fourth Proportional to 10,427.58, 15,647.85 and 4,271.58

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Solution

The fourth proportional to 10,427.58, 15,647.85 and 4,271.58 is: 6,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.58 : 15,647.85 = 4,271.58 : x
  2. Step 2: Convert to fraction form
    10,427.58/15,647.85 = 4,271.58/x
  3. Step 3: Cross multiply
    10,427.58x = 15,647.85 × 4,271.58
  4. Step 4: Simplify right side
    10,427.58x = 66,841,043.10
  5. Step 5: Solve for x
    x = 66,841,043.10/10,427.58
  6. Step 6: Final answer
    x = 6,410.02

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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.