Home / 12,500.12-17,250.02-6,911

Finding the Fourth Proportional to 12,500.12, 17,250.02 and 6,911

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Solution

The fourth proportional to 12,500.12, 17,250.02 and 6,911 is: 9,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.12 : 17,250.02 = 6,911 : x
  2. Step 2: Convert to fraction form
    12,500.12/17,250.02 = 6,911/x
  3. Step 3: Cross multiply
    12,500.12x = 17,250.02 × 6,911
  4. Step 4: Simplify right side
    12,500.12x = 119,214,888.22
  5. Step 5: Solve for x
    x = 119,214,888.22/12,500.12
  6. Step 6: Final answer
    x = 9,537.10

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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.