Home / 20,117.61-30,166.29-6,966.45

Finding the Fourth Proportional to 20,117.61, 30,166.29 and 6,966.45

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Solution

The fourth proportional to 20,117.61, 30,166.29 and 6,966.45 is: 10,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.61 : 30,166.29 = 6,966.45 : x
  2. Step 2: Convert to fraction form
    20,117.61/30,166.29 = 6,966.45/x
  3. Step 3: Cross multiply
    20,117.61x = 30,166.29 × 6,966.45
  4. Step 4: Simplify right side
    20,117.61x = 210,151,950.97
  5. Step 5: Solve for x
    x = 210,151,950.97/20,117.61
  6. Step 6: Final answer
    x = 10,446.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.