Home / 9,430.29-13,014.02-5,181.62

Finding the Fourth Proportional to 9,430.29, 13,014.02 and 5,181.62

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Solution

The fourth proportional to 9,430.29, 13,014.02 and 5,181.62 is: 7,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.29 : 13,014.02 = 5,181.62 : x
  2. Step 2: Convert to fraction form
    9,430.29/13,014.02 = 5,181.62/x
  3. Step 3: Cross multiply
    9,430.29x = 13,014.02 × 5,181.62
  4. Step 4: Simplify right side
    9,430.29x = 67,433,751.80
  5. Step 5: Solve for x
    x = 67,433,751.80/9,430.29
  6. Step 6: Final answer
    x = 7,150.76

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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.