Home / 21,967.56-30,315.22-14,014.37

Finding the Fourth Proportional to 21,967.56, 30,315.22 and 14,014.37

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Solution

The fourth proportional to 21,967.56, 30,315.22 and 14,014.37 is: 19,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.56 : 30,315.22 = 14,014.37 : x
  2. Step 2: Convert to fraction form
    21,967.56/30,315.22 = 14,014.37/x
  3. Step 3: Cross multiply
    21,967.56x = 30,315.22 × 14,014.37
  4. Step 4: Simplify right side
    21,967.56x = 424,848,750.46
  5. Step 5: Solve for x
    x = 424,848,750.46/21,967.56
  6. Step 6: Final answer
    x = 19,339.82

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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.