Home / 13,485.88-20,230.44-4,602.70

Finding the Fourth Proportional to 13,485.88, 20,230.44 and 4,602.70

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Solution

The fourth proportional to 13,485.88, 20,230.44 and 4,602.70 is: 6,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.88 : 20,230.44 = 4,602.70 : x
  2. Step 2: Convert to fraction form
    13,485.88/20,230.44 = 4,602.70/x
  3. Step 3: Cross multiply
    13,485.88x = 20,230.44 × 4,602.70
  4. Step 4: Simplify right side
    13,485.88x = 93,114,646.19
  5. Step 5: Solve for x
    x = 93,114,646.19/13,485.88
  6. Step 6: Final answer
    x = 6,904.60

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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.