Home / 12,020.49-16,588.40-6,714.68

Finding the Fourth Proportional to 12,020.49, 16,588.40 and 6,714.68

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Solution

The fourth proportional to 12,020.49, 16,588.40 and 6,714.68 is: 9,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.49 : 16,588.40 = 6,714.68 : x
  2. Step 2: Convert to fraction form
    12,020.49/16,588.40 = 6,714.68/x
  3. Step 3: Cross multiply
    12,020.49x = 16,588.40 × 6,714.68
  4. Step 4: Simplify right side
    12,020.49x = 111,385,681.20
  5. Step 5: Solve for x
    x = 111,385,681.20/12,020.49
  6. Step 6: Final answer
    x = 9,266.32

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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.