Home / 12,237.08-16,886.50-6,931.78

Finding the Fourth Proportional to 12,237.08, 16,886.50 and 6,931.78

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Solution

The fourth proportional to 12,237.08, 16,886.50 and 6,931.78 is: 9,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.08 : 16,886.50 = 6,931.78 : x
  2. Step 2: Convert to fraction form
    12,237.08/16,886.50 = 6,931.78/x
  3. Step 3: Cross multiply
    12,237.08x = 16,886.50 × 6,931.78
  4. Step 4: Simplify right side
    12,237.08x = 117,053,443.42
  5. Step 5: Solve for x
    x = 117,053,443.42/12,237.08
  6. Step 6: Final answer
    x = 9,565.48

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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.