Home / 14,870.36-20,520.92-8,064.27

Finding the Fourth Proportional to 14,870.36, 20,520.92 and 8,064.27

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Solution

The fourth proportional to 14,870.36, 20,520.92 and 8,064.27 is: 11,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.36 : 20,520.92 = 8,064.27 : x
  2. Step 2: Convert to fraction form
    14,870.36/20,520.92 = 8,064.27/x
  3. Step 3: Cross multiply
    14,870.36x = 20,520.92 × 8,064.27
  4. Step 4: Simplify right side
    14,870.36x = 165,486,199.21
  5. Step 5: Solve for x
    x = 165,486,199.21/14,870.36
  6. Step 6: Final answer
    x = 11,128.60

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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.