Home / 13,565.68-20,346.08-4,800.64

Finding the Fourth Proportional to 13,565.68, 20,346.08 and 4,800.64

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Solution

The fourth proportional to 13,565.68, 20,346.08 and 4,800.64 is: 7,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.68 : 20,346.08 = 4,800.64 : x
  2. Step 2: Convert to fraction form
    13,565.68/20,346.08 = 4,800.64/x
  3. Step 3: Cross multiply
    13,565.68x = 20,346.08 × 4,800.64
  4. Step 4: Simplify right side
    13,565.68x = 97,674,205.49
  5. Step 5: Solve for x
    x = 97,674,205.49/13,565.68
  6. Step 6: Final answer
    x = 7,200.10

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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.