Home / 10,426.20-15,639.34-3,030.70

Finding the Fourth Proportional to 10,426.20, 15,639.34 and 3,030.70

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Solution

The fourth proportional to 10,426.20, 15,639.34 and 3,030.70 is: 4,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.20 : 15,639.34 = 3,030.70 : x
  2. Step 2: Convert to fraction form
    10,426.20/15,639.34 = 3,030.70/x
  3. Step 3: Cross multiply
    10,426.20x = 15,639.34 × 3,030.70
  4. Step 4: Simplify right side
    10,426.20x = 47,398,147.74
  5. Step 5: Solve for x
    x = 47,398,147.74/10,426.20
  6. Step 6: Final answer
    x = 4,546.06

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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.