Home / 21,639.04-32,461.76-6,844.60

Finding the Fourth Proportional to 21,639.04, 32,461.76 and 6,844.60

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Solution

The fourth proportional to 21,639.04, 32,461.76 and 6,844.60 is: 10,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.04 : 32,461.76 = 6,844.60 : x
  2. Step 2: Convert to fraction form
    21,639.04/32,461.76 = 6,844.60/x
  3. Step 3: Cross multiply
    21,639.04x = 32,461.76 × 6,844.60
  4. Step 4: Simplify right side
    21,639.04x = 222,187,762.50
  5. Step 5: Solve for x
    x = 222,187,762.50/21,639.04
  6. Step 6: Final answer
    x = 10,267.91

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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.