Home / 18,026.30-24,840.86-13,782.16

Finding the Fourth Proportional to 18,026.30, 24,840.86 and 13,782.16

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Solution

The fourth proportional to 18,026.30, 24,840.86 and 13,782.16 is: 18,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.30 : 24,840.86 = 13,782.16 : x
  2. Step 2: Convert to fraction form
    18,026.30/24,840.86 = 13,782.16/x
  3. Step 3: Cross multiply
    18,026.30x = 24,840.86 × 13,782.16
  4. Step 4: Simplify right side
    18,026.30x = 342,360,669.20
  5. Step 5: Solve for x
    x = 342,360,669.20/18,026.30
  6. Step 6: Final answer
    x = 18,992.28

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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.