Home / 14,389.70-19,855.53-8,014.29

Finding the Fourth Proportional to 14,389.70, 19,855.53 and 8,014.29

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Solution

The fourth proportional to 14,389.70, 19,855.53 and 8,014.29 is: 11,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.70 : 19,855.53 = 8,014.29 : x
  2. Step 2: Convert to fraction form
    14,389.70/19,855.53 = 8,014.29/x
  3. Step 3: Cross multiply
    14,389.70x = 19,855.53 × 8,014.29
  4. Step 4: Simplify right side
    14,389.70x = 159,128,012.75
  5. Step 5: Solve for x
    x = 159,128,012.75/14,389.70
  6. Step 6: Final answer
    x = 11,058.47

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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.