Home / 10,370.03-15,543.39-4,128.37

Finding the Fourth Proportional to 10,370.03, 15,543.39 and 4,128.37

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Solution

The fourth proportional to 10,370.03, 15,543.39 and 4,128.37 is: 6,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.03 : 15,543.39 = 4,128.37 : x
  2. Step 2: Convert to fraction form
    10,370.03/15,543.39 = 4,128.37/x
  3. Step 3: Cross multiply
    10,370.03x = 15,543.39 × 4,128.37
  4. Step 4: Simplify right side
    10,370.03x = 64,168,841.60
  5. Step 5: Solve for x
    x = 64,168,841.60/10,370.03
  6. Step 6: Final answer
    x = 6,187.92

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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.