Home / 21,518.46-32,285.88-10,424.34

Finding the Fourth Proportional to 21,518.46, 32,285.88 and 10,424.34

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Solution

The fourth proportional to 21,518.46, 32,285.88 and 10,424.34 is: 15,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.46 : 32,285.88 = 10,424.34 : x
  2. Step 2: Convert to fraction form
    21,518.46/32,285.88 = 10,424.34/x
  3. Step 3: Cross multiply
    21,518.46x = 32,285.88 × 10,424.34
  4. Step 4: Simplify right side
    21,518.46x = 336,558,990.32
  5. Step 5: Solve for x
    x = 336,558,990.32/21,518.46
  6. Step 6: Final answer
    x = 15,640.48

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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.