Home / 21,437.02-29,584.92-12,485.35

Finding the Fourth Proportional to 21,437.02, 29,584.92 and 12,485.35

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Solution

The fourth proportional to 21,437.02, 29,584.92 and 12,485.35 is: 17,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.02 : 29,584.92 = 12,485.35 : x
  2. Step 2: Convert to fraction form
    21,437.02/29,584.92 = 12,485.35/x
  3. Step 3: Cross multiply
    21,437.02x = 29,584.92 × 12,485.35
  4. Step 4: Simplify right side
    21,437.02x = 369,378,080.92
  5. Step 5: Solve for x
    x = 369,378,080.92/21,437.02
  6. Step 6: Final answer
    x = 17,230.85

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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.