Home / 12,020.34-16,588.10-6,715.35

Finding the Fourth Proportional to 12,020.34, 16,588.10 and 6,715.35

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Solution

The fourth proportional to 12,020.34, 16,588.10 and 6,715.35 is: 9,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.34 : 16,588.10 = 6,715.35 : x
  2. Step 2: Convert to fraction form
    12,020.34/16,588.10 = 6,715.35/x
  3. Step 3: Cross multiply
    12,020.34x = 16,588.10 × 6,715.35
  4. Step 4: Simplify right side
    12,020.34x = 111,394,897.34
  5. Step 5: Solve for x
    x = 111,394,897.34/12,020.34
  6. Step 6: Final answer
    x = 9,267.20

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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.