Home / 10,251.80-14,142.30-7,893.08

Finding the Fourth Proportional to 10,251.80, 14,142.30 and 7,893.08

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Solution

The fourth proportional to 10,251.80, 14,142.30 and 7,893.08 is: 10,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.80 : 14,142.30 = 7,893.08 : x
  2. Step 2: Convert to fraction form
    10,251.80/14,142.30 = 7,893.08/x
  3. Step 3: Cross multiply
    10,251.80x = 14,142.30 × 7,893.08
  4. Step 4: Simplify right side
    10,251.80x = 111,626,305.28
  5. Step 5: Solve for x
    x = 111,626,305.28/10,251.80
  6. Step 6: Final answer
    x = 10,888.46

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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.