Home / 12,736.04-19,090.35-7,808.99

Finding the Fourth Proportional to 12,736.04, 19,090.35 and 7,808.99

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Solution

The fourth proportional to 12,736.04, 19,090.35 and 7,808.99 is: 11,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.04 : 19,090.35 = 7,808.99 : x
  2. Step 2: Convert to fraction form
    12,736.04/19,090.35 = 7,808.99/x
  3. Step 3: Cross multiply
    12,736.04x = 19,090.35 × 7,808.99
  4. Step 4: Simplify right side
    12,736.04x = 149,076,256.79
  5. Step 5: Solve for x
    x = 149,076,256.79/12,736.04
  6. Step 6: Final answer
    x = 11,705.08

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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.