Home / 13,020.80-19,533.62-4,256.19

Finding the Fourth Proportional to 13,020.80, 19,533.62 and 4,256.19

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Solution

The fourth proportional to 13,020.80, 19,533.62 and 4,256.19 is: 6,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.80 : 19,533.62 = 4,256.19 : x
  2. Step 2: Convert to fraction form
    13,020.80/19,533.62 = 4,256.19/x
  3. Step 3: Cross multiply
    13,020.80x = 19,533.62 × 4,256.19
  4. Step 4: Simplify right side
    13,020.80x = 83,138,808.75
  5. Step 5: Solve for x
    x = 83,138,808.75/13,020.80
  6. Step 6: Final answer
    x = 6,385.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.