Home / 21,641.04-32,433.92-12,274.16

Finding the Fourth Proportional to 21,641.04, 32,433.92 and 12,274.16

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Solution

The fourth proportional to 21,641.04, 32,433.92 and 12,274.16 is: 18,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.04 : 32,433.92 = 12,274.16 : x
  2. Step 2: Convert to fraction form
    21,641.04/32,433.92 = 12,274.16/x
  3. Step 3: Cross multiply
    21,641.04x = 32,433.92 × 12,274.16
  4. Step 4: Simplify right side
    21,641.04x = 398,099,123.51
  5. Step 5: Solve for x
    x = 398,099,123.51/21,641.04
  6. Step 6: Final answer
    x = 18,395.56

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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.