Home / 14,308.48-19,755.29-8,939.09

Finding the Fourth Proportional to 14,308.48, 19,755.29 and 8,939.09

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Solution

The fourth proportional to 14,308.48, 19,755.29 and 8,939.09 is: 12,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.48 : 19,755.29 = 8,939.09 : x
  2. Step 2: Convert to fraction form
    14,308.48/19,755.29 = 8,939.09/x
  3. Step 3: Cross multiply
    14,308.48x = 19,755.29 × 8,939.09
  4. Step 4: Simplify right side
    14,308.48x = 176,594,387.02
  5. Step 5: Solve for x
    x = 176,594,387.02/14,308.48
  6. Step 6: Final answer
    x = 12,341.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.