Home / 20,157.02-30,235.59-7,009.52

Finding the Fourth Proportional to 20,157.02, 30,235.59 and 7,009.52

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Solution

The fourth proportional to 20,157.02, 30,235.59 and 7,009.52 is: 10,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.02 : 30,235.59 = 7,009.52 : x
  2. Step 2: Convert to fraction form
    20,157.02/30,235.59 = 7,009.52/x
  3. Step 3: Cross multiply
    20,157.02x = 30,235.59 × 7,009.52
  4. Step 4: Simplify right side
    20,157.02x = 211,936,972.82
  5. Step 5: Solve for x
    x = 211,936,972.82/20,157.02
  6. Step 6: Final answer
    x = 10,514.30

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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.