Home / 13,123.92-18,125.64-10,175.40

Finding the Fourth Proportional to 13,123.92, 18,125.64 and 10,175.40

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Solution

The fourth proportional to 13,123.92, 18,125.64 and 10,175.40 is: 14,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.92 : 18,125.64 = 10,175.40 : x
  2. Step 2: Convert to fraction form
    13,123.92/18,125.64 = 10,175.40/x
  3. Step 3: Cross multiply
    13,123.92x = 18,125.64 × 10,175.40
  4. Step 4: Simplify right side
    13,123.92x = 184,435,637.26
  5. Step 5: Solve for x
    x = 184,435,637.26/13,123.92
  6. Step 6: Final answer
    x = 14,053.40

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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.