Home / 12,999.53-19,492.81-4,233.35

Finding the Fourth Proportional to 12,999.53, 19,492.81 and 4,233.35

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Solution

The fourth proportional to 12,999.53, 19,492.81 and 4,233.35 is: 6,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.53 : 19,492.81 = 4,233.35 : x
  2. Step 2: Convert to fraction form
    12,999.53/19,492.81 = 4,233.35/x
  3. Step 3: Cross multiply
    12,999.53x = 19,492.81 × 4,233.35
  4. Step 4: Simplify right side
    12,999.53x = 82,519,887.21
  5. Step 5: Solve for x
    x = 82,519,887.21/12,999.53
  6. Step 6: Final answer
    x = 6,347.91

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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.