Home / 10,145.05-13,995.07-6,788.01

Finding the Fourth Proportional to 10,145.05, 13,995.07 and 6,788.01

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Solution

The fourth proportional to 10,145.05, 13,995.07 and 6,788.01 is: 9,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.05 : 13,995.07 = 6,788.01 : x
  2. Step 2: Convert to fraction form
    10,145.05/13,995.07 = 6,788.01/x
  3. Step 3: Cross multiply
    10,145.05x = 13,995.07 × 6,788.01
  4. Step 4: Simplify right side
    10,145.05x = 94,998,631.90
  5. Step 5: Solve for x
    x = 94,998,631.90/10,145.05
  6. Step 6: Final answer
    x = 9,364.03

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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.