Home / 21,141.74-31,712.70-6,350.84

Finding the Fourth Proportional to 21,141.74, 31,712.70 and 6,350.84

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Solution

The fourth proportional to 21,141.74, 31,712.70 and 6,350.84 is: 9,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141.74 : 31,712.70 = 6,350.84 : x
  2. Step 2: Convert to fraction form
    21,141.74/31,712.70 = 6,350.84/x
  3. Step 3: Cross multiply
    21,141.74x = 31,712.70 × 6,350.84
  4. Step 4: Simplify right side
    21,141.74x = 201,402,283.67
  5. Step 5: Solve for x
    x = 201,402,283.67/21,141.74
  6. Step 6: Final answer
    x = 9,526.29

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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.