Home / 14,117.22-21,191.15-10,617.21

Finding the Fourth Proportional to 14,117.22, 21,191.15 and 10,617.21

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Solution

The fourth proportional to 14,117.22, 21,191.15 and 10,617.21 is: 15,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.22 : 21,191.15 = 10,617.21 : x
  2. Step 2: Convert to fraction form
    14,117.22/21,191.15 = 10,617.21/x
  3. Step 3: Cross multiply
    14,117.22x = 21,191.15 × 10,617.21
  4. Step 4: Simplify right side
    14,117.22x = 224,990,916.23
  5. Step 5: Solve for x
    x = 224,990,916.23/14,117.22
  6. Step 6: Final answer
    x = 15,937.34

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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.