Home / 14,389.14-19,860.07-9,670.69

Finding the Fourth Proportional to 14,389.14, 19,860.07 and 9,670.69

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Solution

The fourth proportional to 14,389.14, 19,860.07 and 9,670.69 is: 13,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.14 : 19,860.07 = 9,670.69 : x
  2. Step 2: Convert to fraction form
    14,389.14/19,860.07 = 9,670.69/x
  3. Step 3: Cross multiply
    14,389.14x = 19,860.07 × 9,670.69
  4. Step 4: Simplify right side
    14,389.14x = 192,060,481.05
  5. Step 5: Solve for x
    x = 192,060,481.05/14,389.14
  6. Step 6: Final answer
    x = 13,347.60

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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.