Home / 14,784.85-20,402.91-8,070.52

Finding the Fourth Proportional to 14,784.85, 20,402.91 and 8,070.52

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Solution

The fourth proportional to 14,784.85, 20,402.91 and 8,070.52 is: 11,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.85 : 20,402.91 = 8,070.52 : x
  2. Step 2: Convert to fraction form
    14,784.85/20,402.91 = 8,070.52/x
  3. Step 3: Cross multiply
    14,784.85x = 20,402.91 × 8,070.52
  4. Step 4: Simplify right side
    14,784.85x = 164,662,093.21
  5. Step 5: Solve for x
    x = 164,662,093.21/14,784.85
  6. Step 6: Final answer
    x = 11,137.22

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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.