Home / 16,809.40-25,233.30-9,887.80

Finding the Fourth Proportional to 16,809.40, 25,233.30 and 9,887.80

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Solution

The fourth proportional to 16,809.40, 25,233.30 and 9,887.80 is: 14,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.40 : 25,233.30 = 9,887.80 : x
  2. Step 2: Convert to fraction form
    16,809.40/25,233.30 = 9,887.80/x
  3. Step 3: Cross multiply
    16,809.40x = 25,233.30 × 9,887.80
  4. Step 4: Simplify right side
    16,809.40x = 249,501,823.74
  5. Step 5: Solve for x
    x = 249,501,823.74/16,809.40
  6. Step 6: Final answer
    x = 14,842.99

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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.