Home / 14,448.07-19,938.08-8,074.78

Finding the Fourth Proportional to 14,448.07, 19,938.08 and 8,074.78

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Solution

The fourth proportional to 14,448.07, 19,938.08 and 8,074.78 is: 11,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.07 : 19,938.08 = 8,074.78 : x
  2. Step 2: Convert to fraction form
    14,448.07/19,938.08 = 8,074.78/x
  3. Step 3: Cross multiply
    14,448.07x = 19,938.08 × 8,074.78
  4. Step 4: Simplify right side
    14,448.07x = 160,995,569.25
  5. Step 5: Solve for x
    x = 160,995,569.25/14,448.07
  6. Step 6: Final answer
    x = 11,143.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.