Home / 16,970.29-23,420.29-9,418.05

Finding the Fourth Proportional to 16,970.29, 23,420.29 and 9,418.05

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Solution

The fourth proportional to 16,970.29, 23,420.29 and 9,418.05 is: 12,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.29 : 23,420.29 = 9,418.05 : x
  2. Step 2: Convert to fraction form
    16,970.29/23,420.29 = 9,418.05/x
  3. Step 3: Cross multiply
    16,970.29x = 23,420.29 × 9,418.05
  4. Step 4: Simplify right side
    16,970.29x = 220,573,462.23
  5. Step 5: Solve for x
    x = 220,573,462.23/16,970.29
  6. Step 6: Final answer
    x = 12,997.62

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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.