Home / 14,287.04-19,714.32-8,622.08

Finding the Fourth Proportional to 14,287.04, 19,714.32 and 8,622.08

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Solution

The fourth proportional to 14,287.04, 19,714.32 and 8,622.08 is: 11,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.04 : 19,714.32 = 8,622.08 : x
  2. Step 2: Convert to fraction form
    14,287.04/19,714.32 = 8,622.08/x
  3. Step 3: Cross multiply
    14,287.04x = 19,714.32 × 8,622.08
  4. Step 4: Simplify right side
    14,287.04x = 169,978,444.19
  5. Step 5: Solve for x
    x = 169,978,444.19/14,287.04
  6. Step 6: Final answer
    x = 11,897.39

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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.