Home / 13,239.91-19,862.43-4,476.25

Finding the Fourth Proportional to 13,239.91, 19,862.43 and 4,476.25

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Solution

The fourth proportional to 13,239.91, 19,862.43 and 4,476.25 is: 6,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.91 : 19,862.43 = 4,476.25 : x
  2. Step 2: Convert to fraction form
    13,239.91/19,862.43 = 4,476.25/x
  3. Step 3: Cross multiply
    13,239.91x = 19,862.43 × 4,476.25
  4. Step 4: Simplify right side
    13,239.91x = 88,909,202.29
  5. Step 5: Solve for x
    x = 88,909,202.29/13,239.91
  6. Step 6: Final answer
    x = 6,715.24

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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.