Home / 21,063.10-29,056.80-12,560.26

Finding the Fourth Proportional to 21,063.10, 29,056.80 and 12,560.26

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Solution

The fourth proportional to 21,063.10, 29,056.80 and 12,560.26 is: 17,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.10 : 29,056.80 = 12,560.26 : x
  2. Step 2: Convert to fraction form
    21,063.10/29,056.80 = 12,560.26/x
  3. Step 3: Cross multiply
    21,063.10x = 29,056.80 × 12,560.26
  4. Step 4: Simplify right side
    21,063.10x = 364,960,962.77
  5. Step 5: Solve for x
    x = 364,960,962.77/21,063.10
  6. Step 6: Final answer
    x = 17,327.03

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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.