Home / 21,702.16-29,939.84-14,616.32

Finding the Fourth Proportional to 21,702.16, 29,939.84 and 14,616.32

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Solution

The fourth proportional to 21,702.16, 29,939.84 and 14,616.32 is: 20,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.16 : 29,939.84 = 14,616.32 : x
  2. Step 2: Convert to fraction form
    21,702.16/29,939.84 = 14,616.32/x
  3. Step 3: Cross multiply
    21,702.16x = 29,939.84 × 14,616.32
  4. Step 4: Simplify right side
    21,702.16x = 437,610,282.19
  5. Step 5: Solve for x
    x = 437,610,282.19/21,702.16
  6. Step 6: Final answer
    x = 20,164.37

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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.