Home / 14,160.16-21,238.87-4,299.52

Finding the Fourth Proportional to 14,160.16, 21,238.87 and 4,299.52

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Solution

The fourth proportional to 14,160.16, 21,238.87 and 4,299.52 is: 6,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.16 : 21,238.87 = 4,299.52 : x
  2. Step 2: Convert to fraction form
    14,160.16/21,238.87 = 4,299.52/x
  3. Step 3: Cross multiply
    14,160.16x = 21,238.87 × 4,299.52
  4. Step 4: Simplify right side
    14,160.16x = 91,316,977.94
  5. Step 5: Solve for x
    x = 91,316,977.94/14,160.16
  6. Step 6: Final answer
    x = 6,448.87

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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.