Home / 16,979.09-23,433.95-9,427.85

Finding the Fourth Proportional to 16,979.09, 23,433.95 and 9,427.85

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Solution

The fourth proportional to 16,979.09, 23,433.95 and 9,427.85 is: 13,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.09 : 23,433.95 = 9,427.85 : x
  2. Step 2: Convert to fraction form
    16,979.09/23,433.95 = 9,427.85/x
  3. Step 3: Cross multiply
    16,979.09x = 23,433.95 × 9,427.85
  4. Step 4: Simplify right side
    16,979.09x = 220,931,671.91
  5. Step 5: Solve for x
    x = 220,931,671.91/16,979.09
  6. Step 6: Final answer
    x = 13,011.98

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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.