Home / 9,430.47-14,145.45-3,190.44

Finding the Fourth Proportional to 9,430.47, 14,145.45 and 3,190.44

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Solution

The fourth proportional to 9,430.47, 14,145.45 and 3,190.44 is: 4,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.47 : 14,145.45 = 3,190.44 : x
  2. Step 2: Convert to fraction form
    9,430.47/14,145.45 = 3,190.44/x
  3. Step 3: Cross multiply
    9,430.47x = 14,145.45 × 3,190.44
  4. Step 4: Simplify right side
    9,430.47x = 45,130,209.50
  5. Step 5: Solve for x
    x = 45,130,209.50/9,430.47
  6. Step 6: Final answer
    x = 4,785.57

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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.