Home / 13,677.27-18,875.52-7,628.19

Finding the Fourth Proportional to 13,677.27, 18,875.52 and 7,628.19

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Solution

The fourth proportional to 13,677.27, 18,875.52 and 7,628.19 is: 10,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.27 : 18,875.52 = 7,628.19 : x
  2. Step 2: Convert to fraction form
    13,677.27/18,875.52 = 7,628.19/x
  3. Step 3: Cross multiply
    13,677.27x = 18,875.52 × 7,628.19
  4. Step 4: Simplify right side
    13,677.27x = 143,986,052.91
  5. Step 5: Solve for x
    x = 143,986,052.91/13,677.27
  6. Step 6: Final answer
    x = 10,527.40

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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.