Home / 14,113.98-21,222.81-13,543.74

Finding the Fourth Proportional to 14,113.98, 21,222.81 and 13,543.74

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Solution

The fourth proportional to 14,113.98, 21,222.81 and 13,543.74 is: 20,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.98 : 21,222.81 = 13,543.74 : x
  2. Step 2: Convert to fraction form
    14,113.98/21,222.81 = 13,543.74/x
  3. Step 3: Cross multiply
    14,113.98x = 21,222.81 × 13,543.74
  4. Step 4: Simplify right side
    14,113.98x = 287,436,220.71
  5. Step 5: Solve for x
    x = 287,436,220.71/14,113.98
  6. Step 6: Final answer
    x = 20,365.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.