Home / 13,209.08-19,811.48-4,887.18

Finding the Fourth Proportional to 13,209.08, 19,811.48 and 4,887.18

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Solution

The fourth proportional to 13,209.08, 19,811.48 and 4,887.18 is: 7,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.08 : 19,811.48 = 4,887.18 : x
  2. Step 2: Convert to fraction form
    13,209.08/19,811.48 = 4,887.18/x
  3. Step 3: Cross multiply
    13,209.08x = 19,811.48 × 4,887.18
  4. Step 4: Simplify right side
    13,209.08x = 96,822,244.39
  5. Step 5: Solve for x
    x = 96,822,244.39/13,209.08
  6. Step 6: Final answer
    x = 7,329.98

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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.