Home / 13,459.20-20,188.92-4,694.10

Finding the Fourth Proportional to 13,459.20, 20,188.92 and 4,694.10

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Solution

The fourth proportional to 13,459.20, 20,188.92 and 4,694.10 is: 7,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.20 : 20,188.92 = 4,694.10 : x
  2. Step 2: Convert to fraction form
    13,459.20/20,188.92 = 4,694.10/x
  3. Step 3: Cross multiply
    13,459.20x = 20,188.92 × 4,694.10
  4. Step 4: Simplify right side
    13,459.20x = 94,768,809.37
  5. Step 5: Solve for x
    x = 94,768,809.37/13,459.20
  6. Step 6: Final answer
    x = 7,041.19

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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.