Home / 14,579.61-20,118-8,292.12

Finding the Fourth Proportional to 14,579.61, 20,118 and 8,292.12

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Solution

The fourth proportional to 14,579.61, 20,118 and 8,292.12 is: 11,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.61 : 20,118 = 8,292.12 : x
  2. Step 2: Convert to fraction form
    14,579.61/20,118 = 8,292.12/x
  3. Step 3: Cross multiply
    14,579.61x = 20,118 × 8,292.12
  4. Step 4: Simplify right side
    14,579.61x = 166,820,870.16
  5. Step 5: Solve for x
    x = 166,820,870.16/14,579.61
  6. Step 6: Final answer
    x = 11,442.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.