Home / 13,273.19-19,905.04-4,386.87

Finding the Fourth Proportional to 13,273.19, 19,905.04 and 4,386.87

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Solution

The fourth proportional to 13,273.19, 19,905.04 and 4,386.87 is: 6,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.19 : 19,905.04 = 4,386.87 : x
  2. Step 2: Convert to fraction form
    13,273.19/19,905.04 = 4,386.87/x
  3. Step 3: Cross multiply
    13,273.19x = 19,905.04 × 4,386.87
  4. Step 4: Simplify right side
    13,273.19x = 87,320,822.82
  5. Step 5: Solve for x
    x = 87,320,822.82/13,273.19
  6. Step 6: Final answer
    x = 6,578.74

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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.