Home / 14,784.42-20,402.15-8,070.33

Finding the Fourth Proportional to 14,784.42, 20,402.15 and 8,070.33

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Solution

The fourth proportional to 14,784.42, 20,402.15 and 8,070.33 is: 11,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.42 : 20,402.15 = 8,070.33 : x
  2. Step 2: Convert to fraction form
    14,784.42/20,402.15 = 8,070.33/x
  3. Step 3: Cross multiply
    14,784.42x = 20,402.15 × 8,070.33
  4. Step 4: Simplify right side
    14,784.42x = 164,652,119.37
  5. Step 5: Solve for x
    x = 164,652,119.37/14,784.42
  6. Step 6: Final answer
    x = 11,136.86

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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.