Home / 12,237.06-16,886.49-6,931.77

Finding the Fourth Proportional to 12,237.06, 16,886.49 and 6,931.77

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Solution

The fourth proportional to 12,237.06, 16,886.49 and 6,931.77 is: 9,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.06 : 16,886.49 = 6,931.77 : x
  2. Step 2: Convert to fraction form
    12,237.06/16,886.49 = 6,931.77/x
  3. Step 3: Cross multiply
    12,237.06x = 16,886.49 × 6,931.77
  4. Step 4: Simplify right side
    12,237.06x = 117,053,175.47
  5. Step 5: Solve for x
    x = 117,053,175.47/12,237.06
  6. Step 6: Final answer
    x = 9,565.46

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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.