Home / 14,744.56-20,346.48-8,776.64

Finding the Fourth Proportional to 14,744.56, 20,346.48 and 8,776.64

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Solution

The fourth proportional to 14,744.56, 20,346.48 and 8,776.64 is: 12,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.56 : 20,346.48 = 8,776.64 : x
  2. Step 2: Convert to fraction form
    14,744.56/20,346.48 = 8,776.64/x
  3. Step 3: Cross multiply
    14,744.56x = 20,346.48 × 8,776.64
  4. Step 4: Simplify right side
    14,744.56x = 178,573,730.23
  5. Step 5: Solve for x
    x = 178,573,730.23/14,744.56
  6. Step 6: Final answer
    x = 12,111.16

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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.