Home / 16,876.68-23,289.40-9,322.88

Finding the Fourth Proportional to 16,876.68, 23,289.40 and 9,322.88

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Solution

The fourth proportional to 16,876.68, 23,289.40 and 9,322.88 is: 12,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.68 : 23,289.40 = 9,322.88 : x
  2. Step 2: Convert to fraction form
    16,876.68/23,289.40 = 9,322.88/x
  3. Step 3: Cross multiply
    16,876.68x = 23,289.40 × 9,322.88
  4. Step 4: Simplify right side
    16,876.68x = 217,124,281.47
  5. Step 5: Solve for x
    x = 217,124,281.47/16,876.68
  6. Step 6: Final answer
    x = 12,865.34

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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.