Home / 21,364.12-29,484.08-12,292.26

Finding the Fourth Proportional to 21,364.12, 29,484.08 and 12,292.26

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Solution

The fourth proportional to 21,364.12, 29,484.08 and 12,292.26 is: 16,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.12 : 29,484.08 = 12,292.26 : x
  2. Step 2: Convert to fraction form
    21,364.12/29,484.08 = 12,292.26/x
  3. Step 3: Cross multiply
    21,364.12x = 29,484.08 × 12,292.26
  4. Step 4: Simplify right side
    21,364.12x = 362,425,768.34
  5. Step 5: Solve for x
    x = 362,425,768.34/21,364.12
  6. Step 6: Final answer
    x = 16,964.23

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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.