Home / 14,349.66-19,812.09-8,980.26

Finding the Fourth Proportional to 14,349.66, 19,812.09 and 8,980.26

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Solution

The fourth proportional to 14,349.66, 19,812.09 and 8,980.26 is: 12,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.66 : 19,812.09 = 8,980.26 : x
  2. Step 2: Convert to fraction form
    14,349.66/19,812.09 = 8,980.26/x
  3. Step 3: Cross multiply
    14,349.66x = 19,812.09 × 8,980.26
  4. Step 4: Simplify right side
    14,349.66x = 177,917,719.34
  5. Step 5: Solve for x
    x = 177,917,719.34/14,349.66
  6. Step 6: Final answer
    x = 12,398.74

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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.