Home / 15,226.02-21,018.38-9,259.60

Finding the Fourth Proportional to 15,226.02, 21,018.38 and 9,259.60

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Solution

The fourth proportional to 15,226.02, 21,018.38 and 9,259.60 is: 12,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.02 : 21,018.38 = 9,259.60 : x
  2. Step 2: Convert to fraction form
    15,226.02/21,018.38 = 9,259.60/x
  3. Step 3: Cross multiply
    15,226.02x = 21,018.38 × 9,259.60
  4. Step 4: Simplify right side
    15,226.02x = 194,621,791.45
  5. Step 5: Solve for x
    x = 194,621,791.45/15,226.02
  6. Step 6: Final answer
    x = 12,782.18

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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.