Home / 20,158.02-30,237.09-7,010.52

Finding the Fourth Proportional to 20,158.02, 30,237.09 and 7,010.52

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Solution

The fourth proportional to 20,158.02, 30,237.09 and 7,010.52 is: 10,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.02 : 30,237.09 = 7,010.52 : x
  2. Step 2: Convert to fraction form
    20,158.02/30,237.09 = 7,010.52/x
  3. Step 3: Cross multiply
    20,158.02x = 30,237.09 × 7,010.52
  4. Step 4: Simplify right side
    20,158.02x = 211,977,724.19
  5. Step 5: Solve for x
    x = 211,977,724.19/20,158.02
  6. Step 6: Final answer
    x = 10,515.80

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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.