Home / 12,239.74-16,876.05-10,347.99

Finding the Fourth Proportional to 12,239.74, 16,876.05 and 10,347.99

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Solution

The fourth proportional to 12,239.74, 16,876.05 and 10,347.99 is: 14,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.74 : 16,876.05 = 10,347.99 : x
  2. Step 2: Convert to fraction form
    12,239.74/16,876.05 = 10,347.99/x
  3. Step 3: Cross multiply
    12,239.74x = 16,876.05 × 10,347.99
  4. Step 4: Simplify right side
    12,239.74x = 174,633,196.64
  5. Step 5: Solve for x
    x = 174,633,196.64/12,239.74
  6. Step 6: Final answer
    x = 14,267.72

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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.