Home / 13,110.51-19,638.03-10,600.93

Finding the Fourth Proportional to 13,110.51, 19,638.03 and 10,600.93

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Solution

The fourth proportional to 13,110.51, 19,638.03 and 10,600.93 is: 15,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.51 : 19,638.03 = 10,600.93 : x
  2. Step 2: Convert to fraction form
    13,110.51/19,638.03 = 10,600.93/x
  3. Step 3: Cross multiply
    13,110.51x = 19,638.03 × 10,600.93
  4. Step 4: Simplify right side
    13,110.51x = 208,181,275.57
  5. Step 5: Solve for x
    x = 208,181,275.57/13,110.51
  6. Step 6: Final answer
    x = 15,878.96

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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.