Home / 10,562.13-15,848.70-7,664.34

Finding the Fourth Proportional to 10,562.13, 15,848.70 and 7,664.34

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Solution

The fourth proportional to 10,562.13, 15,848.70 and 7,664.34 is: 11,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.13 : 15,848.70 = 7,664.34 : x
  2. Step 2: Convert to fraction form
    10,562.13/15,848.70 = 7,664.34/x
  3. Step 3: Cross multiply
    10,562.13x = 15,848.70 × 7,664.34
  4. Step 4: Simplify right side
    10,562.13x = 121,469,825.36
  5. Step 5: Solve for x
    x = 121,469,825.36/10,562.13
  6. Step 6: Final answer
    x = 11,500.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.