Home / 14,064.36-19,391.18-9,019.68

Finding the Fourth Proportional to 14,064.36, 19,391.18 and 9,019.68

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Solution

The fourth proportional to 14,064.36, 19,391.18 and 9,019.68 is: 12,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.36 : 19,391.18 = 9,019.68 : x
  2. Step 2: Convert to fraction form
    14,064.36/19,391.18 = 9,019.68/x
  3. Step 3: Cross multiply
    14,064.36x = 19,391.18 × 9,019.68
  4. Step 4: Simplify right side
    14,064.36x = 174,902,193.32
  5. Step 5: Solve for x
    x = 174,902,193.32/14,064.36
  6. Step 6: Final answer
    x = 12,435.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.