Home / 13,707.03-18,905.92-9,459.70

Finding the Fourth Proportional to 13,707.03, 18,905.92 and 9,459.70

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Solution

The fourth proportional to 13,707.03, 18,905.92 and 9,459.70 is: 13,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.03 : 18,905.92 = 9,459.70 : x
  2. Step 2: Convert to fraction form
    13,707.03/18,905.92 = 9,459.70/x
  3. Step 3: Cross multiply
    13,707.03x = 18,905.92 × 9,459.70
  4. Step 4: Simplify right side
    13,707.03x = 178,844,331.42
  5. Step 5: Solve for x
    x = 178,844,331.42/13,707.03
  6. Step 6: Final answer
    x = 13,047.64

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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.