Home / 14,378.94-21,569.34-4,518.63

Finding the Fourth Proportional to 14,378.94, 21,569.34 and 4,518.63

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Solution

The fourth proportional to 14,378.94, 21,569.34 and 4,518.63 is: 6,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.94 : 21,569.34 = 4,518.63 : x
  2. Step 2: Convert to fraction form
    14,378.94/21,569.34 = 4,518.63/x
  3. Step 3: Cross multiply
    14,378.94x = 21,569.34 × 4,518.63
  4. Step 4: Simplify right side
    14,378.94x = 97,463,866.80
  5. Step 5: Solve for x
    x = 97,463,866.80/14,378.94
  6. Step 6: Final answer
    x = 6,778.24

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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.