Home / 19,637.73-29,438.72-7,154.91

Finding the Fourth Proportional to 19,637.73, 29,438.72 and 7,154.91

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Solution

The fourth proportional to 19,637.73, 29,438.72 and 7,154.91 is: 10,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.73 : 29,438.72 = 7,154.91 : x
  2. Step 2: Convert to fraction form
    19,637.73/29,438.72 = 7,154.91/x
  3. Step 3: Cross multiply
    19,637.73x = 29,438.72 × 7,154.91
  4. Step 4: Simplify right side
    19,637.73x = 210,631,383.17
  5. Step 5: Solve for x
    x = 210,631,383.17/19,637.73
  6. Step 6: Final answer
    x = 10,725.85

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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.