Home / 21,292.02-29,382.93-12,344.70

Finding the Fourth Proportional to 21,292.02, 29,382.93 and 12,344.70

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Solution

The fourth proportional to 21,292.02, 29,382.93 and 12,344.70 is: 17,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.02 : 29,382.93 = 12,344.70 : x
  2. Step 2: Convert to fraction form
    21,292.02/29,382.93 = 12,344.70/x
  3. Step 3: Cross multiply
    21,292.02x = 29,382.93 × 12,344.70
  4. Step 4: Simplify right side
    21,292.02x = 362,723,455.97
  5. Step 5: Solve for x
    x = 362,723,455.97/21,292.02
  6. Step 6: Final answer
    x = 17,035.65

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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.