Home / 14,160.85-19,542.04-7,873.22

Finding the Fourth Proportional to 14,160.85, 19,542.04 and 7,873.22

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Solution

The fourth proportional to 14,160.85, 19,542.04 and 7,873.22 is: 10,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.85 : 19,542.04 = 7,873.22 : x
  2. Step 2: Convert to fraction form
    14,160.85/19,542.04 = 7,873.22/x
  3. Step 3: Cross multiply
    14,160.85x = 19,542.04 × 7,873.22
  4. Step 4: Simplify right side
    14,160.85x = 153,858,809.34
  5. Step 5: Solve for x
    x = 153,858,809.34/14,160.85
  6. Step 6: Final answer
    x = 10,865.08

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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.