Home / 18,009.72-24,855.66-10,934.28

Finding the Fourth Proportional to 18,009.72, 24,855.66 and 10,934.28

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Solution

The fourth proportional to 18,009.72, 24,855.66 and 10,934.28 is: 15,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.72 : 24,855.66 = 10,934.28 : x
  2. Step 2: Convert to fraction form
    18,009.72/24,855.66 = 10,934.28/x
  3. Step 3: Cross multiply
    18,009.72x = 24,855.66 × 10,934.28
  4. Step 4: Simplify right side
    18,009.72x = 271,778,746.02
  5. Step 5: Solve for x
    x = 271,778,746.02/18,009.72
  6. Step 6: Final answer
    x = 15,090.67

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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.