Home / 10,945.19-16,393.16-7,672.91

Finding the Fourth Proportional to 10,945.19, 16,393.16 and 7,672.91

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Solution

The fourth proportional to 10,945.19, 16,393.16 and 7,672.91 is: 11,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.19 : 16,393.16 = 7,672.91 : x
  2. Step 2: Convert to fraction form
    10,945.19/16,393.16 = 7,672.91/x
  3. Step 3: Cross multiply
    10,945.19x = 16,393.16 × 7,672.91
  4. Step 4: Simplify right side
    10,945.19x = 125,783,178.51
  5. Step 5: Solve for x
    x = 125,783,178.51/10,945.19
  6. Step 6: Final answer
    x = 11,492.09

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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.