Home / 14,275.43-21,509.46-11,830.92

Finding the Fourth Proportional to 14,275.43, 21,509.46 and 11,830.92

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Solution

The fourth proportional to 14,275.43, 21,509.46 and 11,830.92 is: 17,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.43 : 21,509.46 = 11,830.92 : x
  2. Step 2: Convert to fraction form
    14,275.43/21,509.46 = 11,830.92/x
  3. Step 3: Cross multiply
    14,275.43x = 21,509.46 × 11,830.92
  4. Step 4: Simplify right side
    14,275.43x = 254,476,700.50
  5. Step 5: Solve for x
    x = 254,476,700.50/14,275.43
  6. Step 6: Final answer
    x = 17,826.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.