Home / 13,637.79-18,830.73-10,648.38

Finding the Fourth Proportional to 13,637.79, 18,830.73 and 10,648.38

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Solution

The fourth proportional to 13,637.79, 18,830.73 and 10,648.38 is: 14,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.79 : 18,830.73 = 10,648.38 : x
  2. Step 2: Convert to fraction form
    13,637.79/18,830.73 = 10,648.38/x
  3. Step 3: Cross multiply
    13,637.79x = 18,830.73 × 10,648.38
  4. Step 4: Simplify right side
    13,637.79x = 200,516,768.72
  5. Step 5: Solve for x
    x = 200,516,768.72/13,637.79
  6. Step 6: Final answer
    x = 14,703.03

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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.