Home / 9,011.12-12,428.75-6,021.70

Finding the Fourth Proportional to 9,011.12, 12,428.75 and 6,021.70

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Solution

The fourth proportional to 9,011.12, 12,428.75 and 6,021.70 is: 8,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.12 : 12,428.75 = 6,021.70 : x
  2. Step 2: Convert to fraction form
    9,011.12/12,428.75 = 6,021.70/x
  3. Step 3: Cross multiply
    9,011.12x = 12,428.75 × 6,021.70
  4. Step 4: Simplify right side
    9,011.12x = 74,842,187.86
  5. Step 5: Solve for x
    x = 74,842,187.86/9,011.12
  6. Step 6: Final answer
    x = 8,305.54

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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.