Home / 11,818.37-16,309.40-6,513.08

Finding the Fourth Proportional to 11,818.37, 16,309.40 and 6,513.08

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Solution

The fourth proportional to 11,818.37, 16,309.40 and 6,513.08 is: 8,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.37 : 16,309.40 = 6,513.08 : x
  2. Step 2: Convert to fraction form
    11,818.37/16,309.40 = 6,513.08/x
  3. Step 3: Cross multiply
    11,818.37x = 16,309.40 × 6,513.08
  4. Step 4: Simplify right side
    11,818.37x = 106,224,312.84
  5. Step 5: Solve for x
    x = 106,224,312.84/11,818.37
  6. Step 6: Final answer
    x = 8,988.07

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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.