Home / 14,528.64-20,047.05-8,560.56

Finding the Fourth Proportional to 14,528.64, 20,047.05 and 8,560.56

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Solution

The fourth proportional to 14,528.64, 20,047.05 and 8,560.56 is: 11,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.64 : 20,047.05 = 8,560.56 : x
  2. Step 2: Convert to fraction form
    14,528.64/20,047.05 = 8,560.56/x
  3. Step 3: Cross multiply
    14,528.64x = 20,047.05 × 8,560.56
  4. Step 4: Simplify right side
    14,528.64x = 171,613,974.35
  5. Step 5: Solve for x
    x = 171,613,974.35/14,528.64
  6. Step 6: Final answer
    x = 11,812.12

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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.