Home / 14,012.88-21,019.26-4,653.60

Finding the Fourth Proportional to 14,012.88, 21,019.26 and 4,653.60

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Solution

The fourth proportional to 14,012.88, 21,019.26 and 4,653.60 is: 6,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.88 : 21,019.26 = 4,653.60 : x
  2. Step 2: Convert to fraction form
    14,012.88/21,019.26 = 4,653.60/x
  3. Step 3: Cross multiply
    14,012.88x = 21,019.26 × 4,653.60
  4. Step 4: Simplify right side
    14,012.88x = 97,815,228.34
  5. Step 5: Solve for x
    x = 97,815,228.34/14,012.88
  6. Step 6: Final answer
    x = 6,980.38

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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.