Home / 21,346.18-32,012.36-7,110.88

Finding the Fourth Proportional to 21,346.18, 32,012.36 and 7,110.88

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Solution

The fourth proportional to 21,346.18, 32,012.36 and 7,110.88 is: 10,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.18 : 32,012.36 = 7,110.88 : x
  2. Step 2: Convert to fraction form
    21,346.18/32,012.36 = 7,110.88/x
  3. Step 3: Cross multiply
    21,346.18x = 32,012.36 × 7,110.88
  4. Step 4: Simplify right side
    21,346.18x = 227,636,050.48
  5. Step 5: Solve for x
    x = 227,636,050.48/21,346.18
  6. Step 6: Final answer
    x = 10,664.02

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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.