Home / 23,016.40-31,763.80-12,946.48

Finding the Fourth Proportional to 23,016.40, 31,763.80 and 12,946.48

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Solution

The fourth proportional to 23,016.40, 31,763.80 and 12,946.48 is: 17,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,016.40 : 31,763.80 = 12,946.48 : x
  2. Step 2: Convert to fraction form
    23,016.40/31,763.80 = 12,946.48/x
  3. Step 3: Cross multiply
    23,016.40x = 31,763.80 × 12,946.48
  4. Step 4: Simplify right side
    23,016.40x = 411,229,401.42
  5. Step 5: Solve for x
    x = 411,229,401.42/23,016.40
  6. Step 6: Final answer
    x = 17,866.80

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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.