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Finding the Fourth Proportional to 10,816.88, 14,927.29 and 5,848.88

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Solution

The fourth proportional to 10,816.88, 14,927.29 and 5,848.88 is: 8,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.88 : 14,927.29 = 5,848.88 : x
  2. Step 2: Convert to fraction form
    10,816.88/14,927.29 = 5,848.88/x
  3. Step 3: Cross multiply
    10,816.88x = 14,927.29 × 5,848.88
  4. Step 4: Simplify right side
    10,816.88x = 87,307,838.68
  5. Step 5: Solve for x
    x = 87,307,838.68/10,816.88
  6. Step 6: Final answer
    x = 8,071.45

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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.