Home / 12,350.96-18,528.78-6,430.68

Finding the Fourth Proportional to 12,350.96, 18,528.78 and 6,430.68

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Solution

The fourth proportional to 12,350.96, 18,528.78 and 6,430.68 is: 9,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.96 : 18,528.78 = 6,430.68 : x
  2. Step 2: Convert to fraction form
    12,350.96/18,528.78 = 6,430.68/x
  3. Step 3: Cross multiply
    12,350.96x = 18,528.78 × 6,430.68
  4. Step 4: Simplify right side
    12,350.96x = 119,152,654.97
  5. Step 5: Solve for x
    x = 119,152,654.97/12,350.96
  6. Step 6: Final answer
    x = 9,647.24

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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.