Home / 21,746.84-30,010.54-11,810.84

Finding the Fourth Proportional to 21,746.84, 30,010.54 and 11,810.84

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Solution

The fourth proportional to 21,746.84, 30,010.54 and 11,810.84 is: 16,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.84 : 30,010.54 = 11,810.84 : x
  2. Step 2: Convert to fraction form
    21,746.84/30,010.54 = 11,810.84/x
  3. Step 3: Cross multiply
    21,746.84x = 30,010.54 × 11,810.84
  4. Step 4: Simplify right side
    21,746.84x = 354,449,686.25
  5. Step 5: Solve for x
    x = 354,449,686.25/21,746.84
  6. Step 6: Final answer
    x = 16,298.91

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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.