Home / 14,138.02-19,518.95-8,840.03

Finding the Fourth Proportional to 14,138.02, 19,518.95 and 8,840.03

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Solution

The fourth proportional to 14,138.02, 19,518.95 and 8,840.03 is: 12,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.02 : 19,518.95 = 8,840.03 : x
  2. Step 2: Convert to fraction form
    14,138.02/19,518.95 = 8,840.03/x
  3. Step 3: Cross multiply
    14,138.02x = 19,518.95 × 8,840.03
  4. Step 4: Simplify right side
    14,138.02x = 172,548,059.37
  5. Step 5: Solve for x
    x = 172,548,059.37/14,138.02
  6. Step 6: Final answer
    x = 12,204.55

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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.