Home / 15,106.88-22,666.80-8,523.20

Finding the Fourth Proportional to 15,106.88, 22,666.80 and 8,523.20

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Solution

The fourth proportional to 15,106.88, 22,666.80 and 8,523.20 is: 12,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.88 : 22,666.80 = 8,523.20 : x
  2. Step 2: Convert to fraction form
    15,106.88/22,666.80 = 8,523.20/x
  3. Step 3: Cross multiply
    15,106.88x = 22,666.80 × 8,523.20
  4. Step 4: Simplify right side
    15,106.88x = 193,193,669.76
  5. Step 5: Solve for x
    x = 193,193,669.76/15,106.88
  6. Step 6: Final answer
    x = 12,788.46

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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.