Home / 17,390.22-23,980.86-14,880.66

Finding the Fourth Proportional to 17,390.22, 23,980.86 and 14,880.66

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Solution

The fourth proportional to 17,390.22, 23,980.86 and 14,880.66 is: 20,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.22 : 23,980.86 = 14,880.66 : x
  2. Step 2: Convert to fraction form
    17,390.22/23,980.86 = 14,880.66/x
  3. Step 3: Cross multiply
    17,390.22x = 23,980.86 × 14,880.66
  4. Step 4: Simplify right side
    17,390.22x = 356,851,024.17
  5. Step 5: Solve for x
    x = 356,851,024.17/17,390.22
  6. Step 6: Final answer
    x = 20,520.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.