Home / 15,586.58-21,504.14-8,870.52

Finding the Fourth Proportional to 15,586.58, 21,504.14 and 8,870.52

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Solution

The fourth proportional to 15,586.58, 21,504.14 and 8,870.52 is: 12,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.58 : 21,504.14 = 8,870.52 : x
  2. Step 2: Convert to fraction form
    15,586.58/21,504.14 = 8,870.52/x
  3. Step 3: Cross multiply
    15,586.58x = 21,504.14 × 8,870.52
  4. Step 4: Simplify right side
    15,586.58x = 190,752,872.37
  5. Step 5: Solve for x
    x = 190,752,872.37/15,586.58
  6. Step 6: Final answer
    x = 12,238.28

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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.