Home / 18,358.07-27,509.08-13,655.34

Finding the Fourth Proportional to 18,358.07, 27,509.08 and 13,655.34

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Solution

The fourth proportional to 18,358.07, 27,509.08 and 13,655.34 is: 20,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.07 : 27,509.08 = 13,655.34 : x
  2. Step 2: Convert to fraction form
    18,358.07/27,509.08 = 13,655.34/x
  3. Step 3: Cross multiply
    18,358.07x = 27,509.08 × 13,655.34
  4. Step 4: Simplify right side
    18,358.07x = 375,645,806.35
  5. Step 5: Solve for x
    x = 375,645,806.35/18,358.07
  6. Step 6: Final answer
    x = 20,462.16

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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.