Home / 12,182.13-16,808.47-6,875.93

Finding the Fourth Proportional to 12,182.13, 16,808.47 and 6,875.93

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Solution

The fourth proportional to 12,182.13, 16,808.47 and 6,875.93 is: 9,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.13 : 16,808.47 = 6,875.93 : x
  2. Step 2: Convert to fraction form
    12,182.13/16,808.47 = 6,875.93/x
  3. Step 3: Cross multiply
    12,182.13x = 16,808.47 × 6,875.93
  4. Step 4: Simplify right side
    12,182.13x = 115,573,863.13
  5. Step 5: Solve for x
    x = 115,573,863.13/12,182.13
  6. Step 6: Final answer
    x = 9,487.16

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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.