Home / 21,460.12-32,188.76-7,416.88

Finding the Fourth Proportional to 21,460.12, 32,188.76 and 7,416.88

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Solution

The fourth proportional to 21,460.12, 32,188.76 and 7,416.88 is: 11,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.12 : 32,188.76 = 7,416.88 : x
  2. Step 2: Convert to fraction form
    21,460.12/32,188.76 = 7,416.88/x
  3. Step 3: Cross multiply
    21,460.12x = 32,188.76 × 7,416.88
  4. Step 4: Simplify right side
    21,460.12x = 238,740,009.33
  5. Step 5: Solve for x
    x = 238,740,009.33/21,460.12
  6. Step 6: Final answer
    x = 11,124.82

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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.