Home / 15,686.98-23,536.59-6,915.73

Finding the Fourth Proportional to 15,686.98, 23,536.59 and 6,915.73

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Solution

The fourth proportional to 15,686.98, 23,536.59 and 6,915.73 is: 10,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.98 : 23,536.59 = 6,915.73 : x
  2. Step 2: Convert to fraction form
    15,686.98/23,536.59 = 6,915.73/x
  3. Step 3: Cross multiply
    15,686.98x = 23,536.59 × 6,915.73
  4. Step 4: Simplify right side
    15,686.98x = 162,772,701.56
  5. Step 5: Solve for x
    x = 162,772,701.56/15,686.98
  6. Step 6: Final answer
    x = 10,376.29

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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.