Home / 11,681.02-17,520.54-4,285.18

Finding the Fourth Proportional to 11,681.02, 17,520.54 and 4,285.18

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Solution

The fourth proportional to 11,681.02, 17,520.54 and 4,285.18 is: 6,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.02 : 17,520.54 = 4,285.18 : x
  2. Step 2: Convert to fraction form
    11,681.02/17,520.54 = 4,285.18/x
  3. Step 3: Cross multiply
    11,681.02x = 17,520.54 × 4,285.18
  4. Step 4: Simplify right side
    11,681.02x = 75,078,667.60
  5. Step 5: Solve for x
    x = 75,078,667.60/11,681.02
  6. Step 6: Final answer
    x = 6,427.41

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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.