Home / 21,054.02-29,054.56-11,622.58

Finding the Fourth Proportional to 21,054.02, 29,054.56 and 11,622.58

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Solution

The fourth proportional to 21,054.02, 29,054.56 and 11,622.58 is: 16,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.02 : 29,054.56 = 11,622.58 : x
  2. Step 2: Convert to fraction form
    21,054.02/29,054.56 = 11,622.58/x
  3. Step 3: Cross multiply
    21,054.02x = 29,054.56 × 11,622.58
  4. Step 4: Simplify right side
    21,054.02x = 337,688,947.96
  5. Step 5: Solve for x
    x = 337,688,947.96/21,054.02
  6. Step 6: Final answer
    x = 16,039.17

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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.