Home / 14,338.95-21,509.06-4,478.42

Finding the Fourth Proportional to 14,338.95, 21,509.06 and 4,478.42

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Solution

The fourth proportional to 14,338.95, 21,509.06 and 4,478.42 is: 6,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.95 : 21,509.06 = 4,478.42 : x
  2. Step 2: Convert to fraction form
    14,338.95/21,509.06 = 4,478.42/x
  3. Step 3: Cross multiply
    14,338.95x = 21,509.06 × 4,478.42
  4. Step 4: Simplify right side
    14,338.95x = 96,326,474.55
  5. Step 5: Solve for x
    x = 96,326,474.55/14,338.95
  6. Step 6: Final answer
    x = 6,717.82

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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.