Home / 10,181.02-15,271.54-2,784.93

Finding the Fourth Proportional to 10,181.02, 15,271.54 and 2,784.93

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Solution

The fourth proportional to 10,181.02, 15,271.54 and 2,784.93 is: 4,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.02 : 15,271.54 = 2,784.93 : x
  2. Step 2: Convert to fraction form
    10,181.02/15,271.54 = 2,784.93/x
  3. Step 3: Cross multiply
    10,181.02x = 15,271.54 × 2,784.93
  4. Step 4: Simplify right side
    10,181.02x = 42,530,169.89
  5. Step 5: Solve for x
    x = 42,530,169.89/10,181.02
  6. Step 6: Final answer
    x = 4,177.40

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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.