Home / 14,752.37-20,358.36-8,784.29

Finding the Fourth Proportional to 14,752.37, 20,358.36 and 8,784.29

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Solution

The fourth proportional to 14,752.37, 20,358.36 and 8,784.29 is: 12,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.37 : 20,358.36 = 8,784.29 : x
  2. Step 2: Convert to fraction form
    14,752.37/20,358.36 = 8,784.29/x
  3. Step 3: Cross multiply
    14,752.37x = 20,358.36 × 8,784.29
  4. Step 4: Simplify right side
    14,752.37x = 178,833,712.72
  5. Step 5: Solve for x
    x = 178,833,712.72/14,752.37
  6. Step 6: Final answer
    x = 12,122.37

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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.