Home / 12,946.10-17,868.56-9,165.29

Finding the Fourth Proportional to 12,946.10, 17,868.56 and 9,165.29

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Solution

The fourth proportional to 12,946.10, 17,868.56 and 9,165.29 is: 12,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.10 : 17,868.56 = 9,165.29 : x
  2. Step 2: Convert to fraction form
    12,946.10/17,868.56 = 9,165.29/x
  3. Step 3: Cross multiply
    12,946.10x = 17,868.56 × 9,165.29
  4. Step 4: Simplify right side
    12,946.10x = 163,770,399.11
  5. Step 5: Solve for x
    x = 163,770,399.11/12,946.10
  6. Step 6: Final answer
    x = 12,650.18

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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.