Home / 12,236.38-16,886.26-6,931.20

Finding the Fourth Proportional to 12,236.38, 16,886.26 and 6,931.20

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Solution

The fourth proportional to 12,236.38, 16,886.26 and 6,931.20 is: 9,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.38 : 16,886.26 = 6,931.20 : x
  2. Step 2: Convert to fraction form
    12,236.38/16,886.26 = 6,931.20/x
  3. Step 3: Cross multiply
    12,236.38x = 16,886.26 × 6,931.20
  4. Step 4: Simplify right side
    12,236.38x = 117,041,965.07
  5. Step 5: Solve for x
    x = 117,041,965.07/12,236.38
  6. Step 6: Final answer
    x = 9,565.08

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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.