Home / 14,771.34-20,386.62-8,806.50

Finding the Fourth Proportional to 14,771.34, 20,386.62 and 8,806.50

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Solution

The fourth proportional to 14,771.34, 20,386.62 and 8,806.50 is: 12,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.34 : 20,386.62 = 8,806.50 : x
  2. Step 2: Convert to fraction form
    14,771.34/20,386.62 = 8,806.50/x
  3. Step 3: Cross multiply
    14,771.34x = 20,386.62 × 8,806.50
  4. Step 4: Simplify right side
    14,771.34x = 179,534,769.03
  5. Step 5: Solve for x
    x = 179,534,769.03/14,771.34
  6. Step 6: Final answer
    x = 12,154.26

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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.