Home / 11,628.48-16,047.63-7,154.85

Finding the Fourth Proportional to 11,628.48, 16,047.63 and 7,154.85

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Solution

The fourth proportional to 11,628.48, 16,047.63 and 7,154.85 is: 9,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.48 : 16,047.63 = 7,154.85 : x
  2. Step 2: Convert to fraction form
    11,628.48/16,047.63 = 7,154.85/x
  3. Step 3: Cross multiply
    11,628.48x = 16,047.63 × 7,154.85
  4. Step 4: Simplify right side
    11,628.48x = 114,818,385.51
  5. Step 5: Solve for x
    x = 114,818,385.51/11,628.48
  6. Step 6: Final answer
    x = 9,873.89

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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.