Home / 13,365.12-20,047.47-4,600.11

Finding the Fourth Proportional to 13,365.12, 20,047.47 and 4,600.11

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Solution

The fourth proportional to 13,365.12, 20,047.47 and 4,600.11 is: 6,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.12 : 20,047.47 = 4,600.11 : x
  2. Step 2: Convert to fraction form
    13,365.12/20,047.47 = 4,600.11/x
  3. Step 3: Cross multiply
    13,365.12x = 20,047.47 × 4,600.11
  4. Step 4: Simplify right side
    13,365.12x = 92,220,567.22
  5. Step 5: Solve for x
    x = 92,220,567.22/13,365.12
  6. Step 6: Final answer
    x = 6,900.09

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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.