Home / 13,842.84-19,099.98-13,368.60

Finding the Fourth Proportional to 13,842.84, 19,099.98 and 13,368.60

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Solution

The fourth proportional to 13,842.84, 19,099.98 and 13,368.60 is: 18,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.84 : 19,099.98 = 13,368.60 : x
  2. Step 2: Convert to fraction form
    13,842.84/19,099.98 = 13,368.60/x
  3. Step 3: Cross multiply
    13,842.84x = 19,099.98 × 13,368.60
  4. Step 4: Simplify right side
    13,842.84x = 255,339,992.63
  5. Step 5: Solve for x
    x = 255,339,992.63/13,842.84
  6. Step 6: Final answer
    x = 18,445.64

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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.