Home / 14,290.92-21,437.38-4,428.88

Finding the Fourth Proportional to 14,290.92, 21,437.38 and 4,428.88

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Solution

The fourth proportional to 14,290.92, 21,437.38 and 4,428.88 is: 6,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.92 : 21,437.38 = 4,428.88 : x
  2. Step 2: Convert to fraction form
    14,290.92/21,437.38 = 4,428.88/x
  3. Step 3: Cross multiply
    14,290.92x = 21,437.38 × 4,428.88
  4. Step 4: Simplify right side
    14,290.92x = 94,943,583.53
  5. Step 5: Solve for x
    x = 94,943,583.53/14,290.92
  6. Step 6: Final answer
    x = 6,643.63

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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.