Home / 20,260.84-30,394.29-7,110.90

Finding the Fourth Proportional to 20,260.84, 30,394.29 and 7,110.90

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Solution

The fourth proportional to 20,260.84, 30,394.29 and 7,110.90 is: 10,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.84 : 30,394.29 = 7,110.90 : x
  2. Step 2: Convert to fraction form
    20,260.84/30,394.29 = 7,110.90/x
  3. Step 3: Cross multiply
    20,260.84x = 30,394.29 × 7,110.90
  4. Step 4: Simplify right side
    20,260.84x = 216,130,756.76
  5. Step 5: Solve for x
    x = 216,130,756.76/20,260.84
  6. Step 6: Final answer
    x = 10,667.41

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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.