Home / 14,302.50-21,428.73-9,922.74

Finding the Fourth Proportional to 14,302.50, 21,428.73 and 9,922.74

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Solution

The fourth proportional to 14,302.50, 21,428.73 and 9,922.74 is: 14,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.50 : 21,428.73 = 9,922.74 : x
  2. Step 2: Convert to fraction form
    14,302.50/21,428.73 = 9,922.74/x
  3. Step 3: Cross multiply
    14,302.50x = 21,428.73 × 9,922.74
  4. Step 4: Simplify right side
    14,302.50x = 212,631,716.32
  5. Step 5: Solve for x
    x = 212,631,716.32/14,302.50
  6. Step 6: Final answer
    x = 14,866.75

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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.