Home / 14,398.44-19,875.29-8,430.09

Finding the Fourth Proportional to 14,398.44, 19,875.29 and 8,430.09

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Solution

The fourth proportional to 14,398.44, 19,875.29 and 8,430.09 is: 11,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.44 : 19,875.29 = 8,430.09 : x
  2. Step 2: Convert to fraction form
    14,398.44/19,875.29 = 8,430.09/x
  3. Step 3: Cross multiply
    14,398.44x = 19,875.29 × 8,430.09
  4. Step 4: Simplify right side
    14,398.44x = 167,550,441.33
  5. Step 5: Solve for x
    x = 167,550,441.33/14,398.44
  6. Step 6: Final answer
    x = 11,636.71

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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.