Home / 18,527.40-25,567.80-10,143.84

Finding the Fourth Proportional to 18,527.40, 25,567.80 and 10,143.84

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Solution

The fourth proportional to 18,527.40, 25,567.80 and 10,143.84 is: 13,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.40 : 25,567.80 = 10,143.84 : x
  2. Step 2: Convert to fraction form
    18,527.40/25,567.80 = 10,143.84/x
  3. Step 3: Cross multiply
    18,527.40x = 25,567.80 × 10,143.84
  4. Step 4: Simplify right side
    18,527.40x = 259,355,672.35
  5. Step 5: Solve for x
    x = 259,355,672.35/18,527.40
  6. Step 6: Final answer
    x = 13,998.49

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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.