Home / 14,140.24-21,214.91-4,280.51

Finding the Fourth Proportional to 14,140.24, 21,214.91 and 4,280.51

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Solution

The fourth proportional to 14,140.24, 21,214.91 and 4,280.51 is: 6,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.24 : 21,214.91 = 4,280.51 : x
  2. Step 2: Convert to fraction form
    14,140.24/21,214.91 = 4,280.51/x
  3. Step 3: Cross multiply
    14,140.24x = 21,214.91 × 4,280.51
  4. Step 4: Simplify right side
    14,140.24x = 90,810,698.14
  5. Step 5: Solve for x
    x = 90,810,698.14/14,140.24
  6. Step 6: Final answer
    x = 6,422.15

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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.