Home / 10,272.93-15,411.48-4,647.90

Finding the Fourth Proportional to 10,272.93, 15,411.48 and 4,647.90

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Solution

The fourth proportional to 10,272.93, 15,411.48 and 4,647.90 is: 6,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.93 : 15,411.48 = 4,647.90 : x
  2. Step 2: Convert to fraction form
    10,272.93/15,411.48 = 4,647.90/x
  3. Step 3: Cross multiply
    10,272.93x = 15,411.48 × 4,647.90
  4. Step 4: Simplify right side
    10,272.93x = 71,630,977.53
  5. Step 5: Solve for x
    x = 71,630,977.53/10,272.93
  6. Step 6: Final answer
    x = 6,972.79

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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.