Home / 14,271.68-21,407.52-11,834.56

Finding the Fourth Proportional to 14,271.68, 21,407.52 and 11,834.56

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Solution

The fourth proportional to 14,271.68, 21,407.52 and 11,834.56 is: 17,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.68 : 21,407.52 = 11,834.56 : x
  2. Step 2: Convert to fraction form
    14,271.68/21,407.52 = 11,834.56/x
  3. Step 3: Cross multiply
    14,271.68x = 21,407.52 × 11,834.56
  4. Step 4: Simplify right side
    14,271.68x = 253,348,579.89
  5. Step 5: Solve for x
    x = 253,348,579.89/14,271.68
  6. Step 6: Final answer
    x = 17,751.84

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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.