Home / 13,931.93-20,898.57-4,568.15

Finding the Fourth Proportional to 13,931.93, 20,898.57 and 4,568.15

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Solution

The fourth proportional to 13,931.93, 20,898.57 and 4,568.15 is: 6,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.93 : 20,898.57 = 4,568.15 : x
  2. Step 2: Convert to fraction form
    13,931.93/20,898.57 = 4,568.15/x
  3. Step 3: Cross multiply
    13,931.93x = 20,898.57 × 4,568.15
  4. Step 4: Simplify right side
    13,931.93x = 95,467,698.05
  5. Step 5: Solve for x
    x = 95,467,698.05/13,931.93
  6. Step 6: Final answer
    x = 6,852.44

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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.