Home / 14,528.08-20,048.16-8,240.32

Finding the Fourth Proportional to 14,528.08, 20,048.16 and 8,240.32

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Solution

The fourth proportional to 14,528.08, 20,048.16 and 8,240.32 is: 11,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.08 : 20,048.16 = 8,240.32 : x
  2. Step 2: Convert to fraction form
    14,528.08/20,048.16 = 8,240.32/x
  3. Step 3: Cross multiply
    14,528.08x = 20,048.16 × 8,240.32
  4. Step 4: Simplify right side
    14,528.08x = 165,203,253.81
  5. Step 5: Solve for x
    x = 165,203,253.81/14,528.08
  6. Step 6: Final answer
    x = 11,371.31

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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.