Home / 16,665.90-22,999.20-9,497.40

Finding the Fourth Proportional to 16,665.90, 22,999.20 and 9,497.40

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Solution

The fourth proportional to 16,665.90, 22,999.20 and 9,497.40 is: 13,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.90 : 22,999.20 = 9,497.40 : x
  2. Step 2: Convert to fraction form
    16,665.90/22,999.20 = 9,497.40/x
  3. Step 3: Cross multiply
    16,665.90x = 22,999.20 × 9,497.40
  4. Step 4: Simplify right side
    16,665.90x = 218,432,602.08
  5. Step 5: Solve for x
    x = 218,432,602.08/16,665.90
  6. Step 6: Final answer
    x = 13,106.56

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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.