Home / 14,648.70-20,214.31-8,983.47

Finding the Fourth Proportional to 14,648.70, 20,214.31 and 8,983.47

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Solution

The fourth proportional to 14,648.70, 20,214.31 and 8,983.47 is: 12,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.70 : 20,214.31 = 8,983.47 : x
  2. Step 2: Convert to fraction form
    14,648.70/20,214.31 = 8,983.47/x
  3. Step 3: Cross multiply
    14,648.70x = 20,214.31 × 8,983.47
  4. Step 4: Simplify right side
    14,648.70x = 181,594,647.46
  5. Step 5: Solve for x
    x = 181,594,647.46/14,648.70
  6. Step 6: Final answer
    x = 12,396.64

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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.