Home / 12,267.36-16,919.28-10,346.40

Finding the Fourth Proportional to 12,267.36, 16,919.28 and 10,346.40

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Solution

The fourth proportional to 12,267.36, 16,919.28 and 10,346.40 is: 14,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.36 : 16,919.28 = 10,346.40 : x
  2. Step 2: Convert to fraction form
    12,267.36/16,919.28 = 10,346.40/x
  3. Step 3: Cross multiply
    12,267.36x = 16,919.28 × 10,346.40
  4. Step 4: Simplify right side
    12,267.36x = 175,053,638.59
  5. Step 5: Solve for x
    x = 175,053,638.59/12,267.36
  6. Step 6: Final answer
    x = 14,269.87

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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.