Home / 12,520.02-18,798.48-6,984.18

Finding the Fourth Proportional to 12,520.02, 18,798.48 and 6,984.18

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Solution

The fourth proportional to 12,520.02, 18,798.48 and 6,984.18 is: 10,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.02 : 18,798.48 = 6,984.18 : x
  2. Step 2: Convert to fraction form
    12,520.02/18,798.48 = 6,984.18/x
  3. Step 3: Cross multiply
    12,520.02x = 18,798.48 × 6,984.18
  4. Step 4: Simplify right side
    12,520.02x = 131,291,968.05
  5. Step 5: Solve for x
    x = 131,291,968.05/12,520.02
  6. Step 6: Final answer
    x = 10,486.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.