Home / 13,209.83-19,808.98-4,996.07

Finding the Fourth Proportional to 13,209.83, 19,808.98 and 4,996.07

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Solution

The fourth proportional to 13,209.83, 19,808.98 and 4,996.07 is: 7,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.83 : 19,808.98 = 4,996.07 : x
  2. Step 2: Convert to fraction form
    13,209.83/19,808.98 = 4,996.07/x
  3. Step 3: Cross multiply
    13,209.83x = 19,808.98 × 4,996.07
  4. Step 4: Simplify right side
    13,209.83x = 98,966,926.68
  5. Step 5: Solve for x
    x = 98,966,926.68/13,209.83
  6. Step 6: Final answer
    x = 7,491.92

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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.