Home / 15,809.04-21,814.56-8,735.58

Finding the Fourth Proportional to 15,809.04, 21,814.56 and 8,735.58

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Solution

The fourth proportional to 15,809.04, 21,814.56 and 8,735.58 is: 12,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.04 : 21,814.56 = 8,735.58 : x
  2. Step 2: Convert to fraction form
    15,809.04/21,814.56 = 8,735.58/x
  3. Step 3: Cross multiply
    15,809.04x = 21,814.56 × 8,735.58
  4. Step 4: Simplify right side
    15,809.04x = 190,562,834.04
  5. Step 5: Solve for x
    x = 190,562,834.04/15,809.04
  6. Step 6: Final answer
    x = 12,054.04

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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.