Home / 14,349.66-19,802.97-8,685.45

Finding the Fourth Proportional to 14,349.66, 19,802.97 and 8,685.45

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Solution

The fourth proportional to 14,349.66, 19,802.97 and 8,685.45 is: 11,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.66 : 19,802.97 = 8,685.45 : x
  2. Step 2: Convert to fraction form
    14,349.66/19,802.97 = 8,685.45/x
  3. Step 3: Cross multiply
    14,349.66x = 19,802.97 × 8,685.45
  4. Step 4: Simplify right side
    14,349.66x = 171,997,705.79
  5. Step 5: Solve for x
    x = 171,997,705.79/14,349.66
  6. Step 6: Final answer
    x = 11,986.19

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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.