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Finding the Fourth Proportional to 10,802.12, 14,905.86 and 6,087.24

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Solution

The fourth proportional to 10,802.12, 14,905.86 and 6,087.24 is: 8,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.12 : 14,905.86 = 6,087.24 : x
  2. Step 2: Convert to fraction form
    10,802.12/14,905.86 = 6,087.24/x
  3. Step 3: Cross multiply
    10,802.12x = 14,905.86 × 6,087.24
  4. Step 4: Simplify right side
    10,802.12x = 90,735,547.23
  5. Step 5: Solve for x
    x = 90,735,547.23/10,802.12
  6. Step 6: Final answer
    x = 8,399.79

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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.