Home / 10,559.85-15,838.97-2,768.46

Finding the Fourth Proportional to 10,559.85, 15,838.97 and 2,768.46

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Solution

The fourth proportional to 10,559.85, 15,838.97 and 2,768.46 is: 4,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.85 : 15,838.97 = 2,768.46 : x
  2. Step 2: Convert to fraction form
    10,559.85/15,838.97 = 2,768.46/x
  3. Step 3: Cross multiply
    10,559.85x = 15,838.97 × 2,768.46
  4. Step 4: Simplify right side
    10,559.85x = 43,849,541.04
  5. Step 5: Solve for x
    x = 43,849,541.04/10,559.85
  6. Step 6: Final answer
    x = 4,152.48

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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.