Home / 19,800.90-27,322.65-11,840.22

Finding the Fourth Proportional to 19,800.90, 27,322.65 and 11,840.22

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Solution

The fourth proportional to 19,800.90, 27,322.65 and 11,840.22 is: 16,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.90 : 27,322.65 = 11,840.22 : x
  2. Step 2: Convert to fraction form
    19,800.90/27,322.65 = 11,840.22/x
  3. Step 3: Cross multiply
    19,800.90x = 27,322.65 × 11,840.22
  4. Step 4: Simplify right side
    19,800.90x = 323,506,186.98
  5. Step 5: Solve for x
    x = 323,506,186.98/19,800.90
  6. Step 6: Final answer
    x = 16,337.95

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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.