Home / 13,969.98-19,276.40-8,302.62

Finding the Fourth Proportional to 13,969.98, 19,276.40 and 8,302.62

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Solution

The fourth proportional to 13,969.98, 19,276.40 and 8,302.62 is: 11,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.98 : 19,276.40 = 8,302.62 : x
  2. Step 2: Convert to fraction form
    13,969.98/19,276.40 = 8,302.62/x
  3. Step 3: Cross multiply
    13,969.98x = 19,276.40 × 8,302.62
  4. Step 4: Simplify right side
    13,969.98x = 160,044,624.17
  5. Step 5: Solve for x
    x = 160,044,624.17/13,969.98
  6. Step 6: Final answer
    x = 11,456.32

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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.