Home / 18,977.02-26,184.84-13,329.03

Finding the Fourth Proportional to 18,977.02, 26,184.84 and 13,329.03

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Solution

The fourth proportional to 18,977.02, 26,184.84 and 13,329.03 is: 18,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.02 : 26,184.84 = 13,329.03 : x
  2. Step 2: Convert to fraction form
    18,977.02/26,184.84 = 13,329.03/x
  3. Step 3: Cross multiply
    18,977.02x = 26,184.84 × 13,329.03
  4. Step 4: Simplify right side
    18,977.02x = 349,018,320.34
  5. Step 5: Solve for x
    x = 349,018,320.34/18,977.02
  6. Step 6: Final answer
    x = 18,391.63

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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.