Home / 14,016.69-21,025.04-13,315.95

Finding the Fourth Proportional to 14,016.69, 21,025.04 and 13,315.95

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Solution

The fourth proportional to 14,016.69, 21,025.04 and 13,315.95 is: 19,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.69 : 21,025.04 = 13,315.95 : x
  2. Step 2: Convert to fraction form
    14,016.69/21,025.04 = 13,315.95/x
  3. Step 3: Cross multiply
    14,016.69x = 21,025.04 × 13,315.95
  4. Step 4: Simplify right side
    14,016.69x = 279,968,314.81
  5. Step 5: Solve for x
    x = 279,968,314.81/14,016.69
  6. Step 6: Final answer
    x = 19,973.93

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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.