Home / 14,216.35-21,343-10,931.75

Finding the Fourth Proportional to 14,216.35, 21,343 and 10,931.75

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Solution

The fourth proportional to 14,216.35, 21,343 and 10,931.75 is: 16,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.35 : 21,343 = 10,931.75 : x
  2. Step 2: Convert to fraction form
    14,216.35/21,343 = 10,931.75/x
  3. Step 3: Cross multiply
    14,216.35x = 21,343 × 10,931.75
  4. Step 4: Simplify right side
    14,216.35x = 233,316,340.25
  5. Step 5: Solve for x
    x = 233,316,340.25/14,216.35
  6. Step 6: Final answer
    x = 16,411.83

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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.