Home / 15,809.31-23,713.80-6,447.12

Finding the Fourth Proportional to 15,809.31, 23,713.80 and 6,447.12

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Solution

The fourth proportional to 15,809.31, 23,713.80 and 6,447.12 is: 9,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.31 : 23,713.80 = 6,447.12 : x
  2. Step 2: Convert to fraction form
    15,809.31/23,713.80 = 6,447.12/x
  3. Step 3: Cross multiply
    15,809.31x = 23,713.80 × 6,447.12
  4. Step 4: Simplify right side
    15,809.31x = 152,885,714.26
  5. Step 5: Solve for x
    x = 152,885,714.26/15,809.31
  6. Step 6: Final answer
    x = 9,670.61

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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.