Home / 12,358.66-16,999.65-10,838.74

Finding the Fourth Proportional to 12,358.66, 16,999.65 and 10,838.74

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Solution

The fourth proportional to 12,358.66, 16,999.65 and 10,838.74 is: 14,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.66 : 16,999.65 = 10,838.74 : x
  2. Step 2: Convert to fraction form
    12,358.66/16,999.65 = 10,838.74/x
  3. Step 3: Cross multiply
    12,358.66x = 16,999.65 × 10,838.74
  4. Step 4: Simplify right side
    12,358.66x = 184,254,786.44
  5. Step 5: Solve for x
    x = 184,254,786.44/12,358.66
  6. Step 6: Final answer
    x = 14,908.96

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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.