Home / 14,149.68-21,211.02-5,262.66

Finding the Fourth Proportional to 14,149.68, 21,211.02 and 5,262.66

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Solution

The fourth proportional to 14,149.68, 21,211.02 and 5,262.66 is: 7,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.68 : 21,211.02 = 5,262.66 : x
  2. Step 2: Convert to fraction form
    14,149.68/21,211.02 = 5,262.66/x
  3. Step 3: Cross multiply
    14,149.68x = 21,211.02 × 5,262.66
  4. Step 4: Simplify right side
    14,149.68x = 111,626,386.51
  5. Step 5: Solve for x
    x = 111,626,386.51/14,149.68
  6. Step 6: Final answer
    x = 7,888.97

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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.