Home / 9,946.40-13,718.04-8,748.80

Finding the Fourth Proportional to 9,946.40, 13,718.04 and 8,748.80

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Solution

The fourth proportional to 9,946.40, 13,718.04 and 8,748.80 is: 12,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.40 : 13,718.04 = 8,748.80 : x
  2. Step 2: Convert to fraction form
    9,946.40/13,718.04 = 8,748.80/x
  3. Step 3: Cross multiply
    9,946.40x = 13,718.04 × 8,748.80
  4. Step 4: Simplify right side
    9,946.40x = 120,016,388.35
  5. Step 5: Solve for x
    x = 120,016,388.35/9,946.40
  6. Step 6: Final answer
    x = 12,066.31

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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.