Home / 14,209.43-21,299.93-11,718.30

Finding the Fourth Proportional to 14,209.43, 21,299.93 and 11,718.30

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Solution

The fourth proportional to 14,209.43, 21,299.93 and 11,718.30 is: 17,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.43 : 21,299.93 = 11,718.30 : x
  2. Step 2: Convert to fraction form
    14,209.43/21,299.93 = 11,718.30/x
  3. Step 3: Cross multiply
    14,209.43x = 21,299.93 × 11,718.30
  4. Step 4: Simplify right side
    14,209.43x = 249,599,045.05
  5. Step 5: Solve for x
    x = 249,599,045.05/14,209.43
  6. Step 6: Final answer
    x = 17,565.73

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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.