Home / 13,239.01-19,862.17-4,480.08

Finding the Fourth Proportional to 13,239.01, 19,862.17 and 4,480.08

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Solution

The fourth proportional to 13,239.01, 19,862.17 and 4,480.08 is: 6,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.01 : 19,862.17 = 4,480.08 : x
  2. Step 2: Convert to fraction form
    13,239.01/19,862.17 = 4,480.08/x
  3. Step 3: Cross multiply
    13,239.01x = 19,862.17 × 4,480.08
  4. Step 4: Simplify right side
    13,239.01x = 88,984,024.89
  5. Step 5: Solve for x
    x = 88,984,024.89/13,239.01
  6. Step 6: Final answer
    x = 6,721.35

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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.