Home / 10,485.05-15,727.57-2,693.25

Finding the Fourth Proportional to 10,485.05, 15,727.57 and 2,693.25

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Solution

The fourth proportional to 10,485.05, 15,727.57 and 2,693.25 is: 4,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.05 : 15,727.57 = 2,693.25 : x
  2. Step 2: Convert to fraction form
    10,485.05/15,727.57 = 2,693.25/x
  3. Step 3: Cross multiply
    10,485.05x = 15,727.57 × 2,693.25
  4. Step 4: Simplify right side
    10,485.05x = 42,358,271.17
  5. Step 5: Solve for x
    x = 42,358,271.17/10,485.05
  6. Step 6: Final answer
    x = 4,039.88

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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.