Home / 14,525.34-21,788.10-7,127.88

Finding the Fourth Proportional to 14,525.34, 21,788.10 and 7,127.88

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Solution

The fourth proportional to 14,525.34, 21,788.10 and 7,127.88 is: 10,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.34 : 21,788.10 = 7,127.88 : x
  2. Step 2: Convert to fraction form
    14,525.34/21,788.10 = 7,127.88/x
  3. Step 3: Cross multiply
    14,525.34x = 21,788.10 × 7,127.88
  4. Step 4: Simplify right side
    14,525.34x = 155,302,962.23
  5. Step 5: Solve for x
    x = 155,302,962.23/14,525.34
  6. Step 6: Final answer
    x = 10,691.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.