Home / 14,132.92-19,502.84-7,845.72

Finding the Fourth Proportional to 14,132.92, 19,502.84 and 7,845.72

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Solution

The fourth proportional to 14,132.92, 19,502.84 and 7,845.72 is: 10,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.92 : 19,502.84 = 7,845.72 : x
  2. Step 2: Convert to fraction form
    14,132.92/19,502.84 = 7,845.72/x
  3. Step 3: Cross multiply
    14,132.92x = 19,502.84 × 7,845.72
  4. Step 4: Simplify right side
    14,132.92x = 153,013,821.84
  5. Step 5: Solve for x
    x = 153,013,821.84/14,132.92
  6. Step 6: Final answer
    x = 10,826.77

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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.