Home / 13,270.53-19,908.24-4,386.30

Finding the Fourth Proportional to 13,270.53, 19,908.24 and 4,386.30

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Solution

The fourth proportional to 13,270.53, 19,908.24 and 4,386.30 is: 6,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.53 : 19,908.24 = 4,386.30 : x
  2. Step 2: Convert to fraction form
    13,270.53/19,908.24 = 4,386.30/x
  3. Step 3: Cross multiply
    13,270.53x = 19,908.24 × 4,386.30
  4. Step 4: Simplify right side
    13,270.53x = 87,323,513.11
  5. Step 5: Solve for x
    x = 87,323,513.11/13,270.53
  6. Step 6: Final answer
    x = 6,580.26

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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.