Home / 10,586.42-15,848.46-7,825.40

Finding the Fourth Proportional to 10,586.42, 15,848.46 and 7,825.40

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Solution

The fourth proportional to 10,586.42, 15,848.46 and 7,825.40 is: 11,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.42 : 15,848.46 = 7,825.40 : x
  2. Step 2: Convert to fraction form
    10,586.42/15,848.46 = 7,825.40/x
  3. Step 3: Cross multiply
    10,586.42x = 15,848.46 × 7,825.40
  4. Step 4: Simplify right side
    10,586.42x = 124,020,538.88
  5. Step 5: Solve for x
    x = 124,020,538.88/10,586.42
  6. Step 6: Final answer
    x = 11,715.06

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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.