Home / 15,226.02-21,018.39-9,259.59

Finding the Fourth Proportional to 15,226.02, 21,018.39 and 9,259.59

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Solution

The fourth proportional to 15,226.02, 21,018.39 and 9,259.59 is: 12,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.02 : 21,018.39 = 9,259.59 : x
  2. Step 2: Convert to fraction form
    15,226.02/21,018.39 = 9,259.59/x
  3. Step 3: Cross multiply
    15,226.02x = 21,018.39 × 9,259.59
  4. Step 4: Simplify right side
    15,226.02x = 194,621,673.86
  5. Step 5: Solve for x
    x = 194,621,673.86/15,226.02
  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.