Home / 13,719.51-20,557.64-10,607.13

Finding the Fourth Proportional to 13,719.51, 20,557.64 and 10,607.13

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Solution

The fourth proportional to 13,719.51, 20,557.64 and 10,607.13 is: 15,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.51 : 20,557.64 = 10,607.13 : x
  2. Step 2: Convert to fraction form
    13,719.51/20,557.64 = 10,607.13/x
  3. Step 3: Cross multiply
    13,719.51x = 20,557.64 × 10,607.13
  4. Step 4: Simplify right side
    13,719.51x = 218,057,404.15
  5. Step 5: Solve for x
    x = 218,057,404.15/13,719.51
  6. Step 6: Final answer
    x = 15,893.97

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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.