Home / 21,969.04-32,953.60-6,386.80

Finding the Fourth Proportional to 21,969.04, 32,953.60 and 6,386.80

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Solution

The fourth proportional to 21,969.04, 32,953.60 and 6,386.80 is: 9,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.04 : 32,953.60 = 6,386.80 : x
  2. Step 2: Convert to fraction form
    21,969.04/32,953.60 = 6,386.80/x
  3. Step 3: Cross multiply
    21,969.04x = 32,953.60 × 6,386.80
  4. Step 4: Simplify right side
    21,969.04x = 210,468,052.48
  5. Step 5: Solve for x
    x = 210,468,052.48/21,969.04
  6. Step 6: Final answer
    x = 9,580.21

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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.