Home / 14,784.05-20,402.38-9,042.37

Finding the Fourth Proportional to 14,784.05, 20,402.38 and 9,042.37

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Solution

The fourth proportional to 14,784.05, 20,402.38 and 9,042.37 is: 12,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.05 : 20,402.38 = 9,042.37 : x
  2. Step 2: Convert to fraction form
    14,784.05/20,402.38 = 9,042.37/x
  3. Step 3: Cross multiply
    14,784.05x = 20,402.38 × 9,042.37
  4. Step 4: Simplify right side
    14,784.05x = 184,485,829.14
  5. Step 5: Solve for x
    x = 184,485,829.14/14,784.05
  6. Step 6: Final answer
    x = 12,478.70

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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.