Home / 10,722.39-14,792.64-6,686.84

Finding the Fourth Proportional to 10,722.39, 14,792.64 and 6,686.84

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Solution

The fourth proportional to 10,722.39, 14,792.64 and 6,686.84 is: 9,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.39 : 14,792.64 = 6,686.84 : x
  2. Step 2: Convert to fraction form
    10,722.39/14,792.64 = 6,686.84/x
  3. Step 3: Cross multiply
    10,722.39x = 14,792.64 × 6,686.84
  4. Step 4: Simplify right side
    10,722.39x = 98,916,016.86
  5. Step 5: Solve for x
    x = 98,916,016.86/10,722.39
  6. Step 6: Final answer
    x = 9,225.18

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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.