Home / 21,657.28-32,486.88-6,074.56

Finding the Fourth Proportional to 21,657.28, 32,486.88 and 6,074.56

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Solution

The fourth proportional to 21,657.28, 32,486.88 and 6,074.56 is: 9,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.28 : 32,486.88 = 6,074.56 : x
  2. Step 2: Convert to fraction form
    21,657.28/32,486.88 = 6,074.56/x
  3. Step 3: Cross multiply
    21,657.28x = 32,486.88 × 6,074.56
  4. Step 4: Simplify right side
    21,657.28x = 197,343,501.77
  5. Step 5: Solve for x
    x = 197,343,501.77/21,657.28
  6. Step 6: Final answer
    x = 9,112.11

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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.