Home / 13,264.39-19,897.21-4,380.51

Finding the Fourth Proportional to 13,264.39, 19,897.21 and 4,380.51

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Solution

The fourth proportional to 13,264.39, 19,897.21 and 4,380.51 is: 6,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.39 : 19,897.21 = 4,380.51 : x
  2. Step 2: Convert to fraction form
    13,264.39/19,897.21 = 4,380.51/x
  3. Step 3: Cross multiply
    13,264.39x = 19,897.21 × 4,380.51
  4. Step 4: Simplify right side
    13,264.39x = 87,160,007.47
  5. Step 5: Solve for x
    x = 87,160,007.47/13,264.39
  6. Step 6: Final answer
    x = 6,570.98

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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.