Home / 13,486.05-18,609.96-10,301.52

Finding the Fourth Proportional to 13,486.05, 18,609.96 and 10,301.52

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Solution

The fourth proportional to 13,486.05, 18,609.96 and 10,301.52 is: 14,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.05 : 18,609.96 = 10,301.52 : x
  2. Step 2: Convert to fraction form
    13,486.05/18,609.96 = 10,301.52/x
  3. Step 3: Cross multiply
    13,486.05x = 18,609.96 × 10,301.52
  4. Step 4: Simplify right side
    13,486.05x = 191,710,875.14
  5. Step 5: Solve for x
    x = 191,710,875.14/13,486.05
  6. Step 6: Final answer
    x = 14,215.49

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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.