Home / 13,224.58-19,818.84-6,655.28

Finding the Fourth Proportional to 13,224.58, 19,818.84 and 6,655.28

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Solution

The fourth proportional to 13,224.58, 19,818.84 and 6,655.28 is: 9,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.58 : 19,818.84 = 6,655.28 : x
  2. Step 2: Convert to fraction form
    13,224.58/19,818.84 = 6,655.28/x
  3. Step 3: Cross multiply
    13,224.58x = 19,818.84 × 6,655.28
  4. Step 4: Simplify right side
    13,224.58x = 131,899,830.38
  5. Step 5: Solve for x
    x = 131,899,830.38/13,224.58
  6. Step 6: Final answer
    x = 9,973.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.