Home / 13,953.92-19,248.73-8,840.07

Finding the Fourth Proportional to 13,953.92, 19,248.73 and 8,840.07

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Solution

The fourth proportional to 13,953.92, 19,248.73 and 8,840.07 is: 12,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.92 : 19,248.73 = 8,840.07 : x
  2. Step 2: Convert to fraction form
    13,953.92/19,248.73 = 8,840.07/x
  3. Step 3: Cross multiply
    13,953.92x = 19,248.73 × 8,840.07
  4. Step 4: Simplify right side
    13,953.92x = 170,160,098.51
  5. Step 5: Solve for x
    x = 170,160,098.51/13,953.92
  6. Step 6: Final answer
    x = 12,194.43

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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.