Home / 14,298.93-21,439.71-6,399.95

Finding the Fourth Proportional to 14,298.93, 21,439.71 and 6,399.95

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Solution

The fourth proportional to 14,298.93, 21,439.71 and 6,399.95 is: 9,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.93 : 21,439.71 = 6,399.95 : x
  2. Step 2: Convert to fraction form
    14,298.93/21,439.71 = 6,399.95/x
  3. Step 3: Cross multiply
    14,298.93x = 21,439.71 × 6,399.95
  4. Step 4: Simplify right side
    14,298.93x = 137,212,964.82
  5. Step 5: Solve for x
    x = 137,212,964.82/14,298.93
  6. Step 6: Final answer
    x = 9,596.03

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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.