Home / 14,771.57-20,374.34-8,798.63

Finding the Fourth Proportional to 14,771.57, 20,374.34 and 8,798.63

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Solution

The fourth proportional to 14,771.57, 20,374.34 and 8,798.63 is: 12,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.57 : 20,374.34 = 8,798.63 : x
  2. Step 2: Convert to fraction form
    14,771.57/20,374.34 = 8,798.63/x
  3. Step 3: Cross multiply
    14,771.57x = 20,374.34 × 8,798.63
  4. Step 4: Simplify right side
    14,771.57x = 179,266,133.29
  5. Step 5: Solve for x
    x = 179,266,133.29/14,771.57
  6. Step 6: Final answer
    x = 12,135.89

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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.