Home / 14,074.31-19,389.68-9,817.79

Finding the Fourth Proportional to 14,074.31, 19,389.68 and 9,817.79

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Solution

The fourth proportional to 14,074.31, 19,389.68 and 9,817.79 is: 13,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.31 : 19,389.68 = 9,817.79 : x
  2. Step 2: Convert to fraction form
    14,074.31/19,389.68 = 9,817.79/x
  3. Step 3: Cross multiply
    14,074.31x = 19,389.68 × 9,817.79
  4. Step 4: Simplify right side
    14,074.31x = 190,363,697.19
  5. Step 5: Solve for x
    x = 190,363,697.19/14,074.31
  6. Step 6: Final answer
    x = 13,525.61

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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.