Home / 15,180.51-20,948.88-8,806.62

Finding the Fourth Proportional to 15,180.51, 20,948.88 and 8,806.62

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Solution

The fourth proportional to 15,180.51, 20,948.88 and 8,806.62 is: 12,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.51 : 20,948.88 = 8,806.62 : x
  2. Step 2: Convert to fraction form
    15,180.51/20,948.88 = 8,806.62/x
  3. Step 3: Cross multiply
    15,180.51x = 20,948.88 × 8,806.62
  4. Step 4: Simplify right side
    15,180.51x = 184,488,720.84
  5. Step 5: Solve for x
    x = 184,488,720.84/15,180.51
  6. Step 6: Final answer
    x = 12,153.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.