Home / 10,527.45-15,790.26-4,288.13

Finding the Fourth Proportional to 10,527.45, 15,790.26 and 4,288.13

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Solution

The fourth proportional to 10,527.45, 15,790.26 and 4,288.13 is: 6,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.45 : 15,790.26 = 4,288.13 : x
  2. Step 2: Convert to fraction form
    10,527.45/15,790.26 = 4,288.13/x
  3. Step 3: Cross multiply
    10,527.45x = 15,790.26 × 4,288.13
  4. Step 4: Simplify right side
    10,527.45x = 67,710,608.66
  5. Step 5: Solve for x
    x = 67,710,608.66/10,527.45
  6. Step 6: Final answer
    x = 6,431.81

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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.