Home / 13,531.51-20,292.07-4,645.18

Finding the Fourth Proportional to 13,531.51, 20,292.07 and 4,645.18

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Solution

The fourth proportional to 13,531.51, 20,292.07 and 4,645.18 is: 6,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.51 : 20,292.07 = 4,645.18 : x
  2. Step 2: Convert to fraction form
    13,531.51/20,292.07 = 4,645.18/x
  3. Step 3: Cross multiply
    13,531.51x = 20,292.07 × 4,645.18
  4. Step 4: Simplify right side
    13,531.51x = 94,260,294.50
  5. Step 5: Solve for x
    x = 94,260,294.50/13,531.51
  6. Step 6: Final answer
    x = 6,965.99

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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.