Home / 13,345.35-20,018.32-4,580.34

Finding the Fourth Proportional to 13,345.35, 20,018.32 and 4,580.34

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Solution

The fourth proportional to 13,345.35, 20,018.32 and 4,580.34 is: 6,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.35 : 20,018.32 = 4,580.34 : x
  2. Step 2: Convert to fraction form
    13,345.35/20,018.32 = 4,580.34/x
  3. Step 3: Cross multiply
    13,345.35x = 20,018.32 × 4,580.34
  4. Step 4: Simplify right side
    13,345.35x = 91,690,711.83
  5. Step 5: Solve for x
    x = 91,690,711.83/13,345.35
  6. Step 6: Final answer
    x = 6,870.61

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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.