Home / 14,047.87-21,069.35-4,686.80

Finding the Fourth Proportional to 14,047.87, 21,069.35 and 4,686.80

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Solution

The fourth proportional to 14,047.87, 21,069.35 and 4,686.80 is: 7,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.87 : 21,069.35 = 4,686.80 : x
  2. Step 2: Convert to fraction form
    14,047.87/21,069.35 = 4,686.80/x
  3. Step 3: Cross multiply
    14,047.87x = 21,069.35 × 4,686.80
  4. Step 4: Simplify right side
    14,047.87x = 98,747,829.58
  5. Step 5: Solve for x
    x = 98,747,829.58/14,047.87
  6. Step 6: Final answer
    x = 7,029.38

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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.