Home / 21,592.12-29,804.59-12,642.50

Finding the Fourth Proportional to 21,592.12, 29,804.59 and 12,642.50

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Solution

The fourth proportional to 21,592.12, 29,804.59 and 12,642.50 is: 17,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.12 : 29,804.59 = 12,642.50 : x
  2. Step 2: Convert to fraction form
    21,592.12/29,804.59 = 12,642.50/x
  3. Step 3: Cross multiply
    21,592.12x = 29,804.59 × 12,642.50
  4. Step 4: Simplify right side
    21,592.12x = 376,804,529.08
  5. Step 5: Solve for x
    x = 376,804,529.08/21,592.12
  6. Step 6: Final answer
    x = 17,451.02

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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.