Home / 15,758.20-21,746.03-8,588.18

Finding the Fourth Proportional to 15,758.20, 21,746.03 and 8,588.18

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Solution

The fourth proportional to 15,758.20, 21,746.03 and 8,588.18 is: 11,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.20 : 21,746.03 = 8,588.18 : x
  2. Step 2: Convert to fraction form
    15,758.20/21,746.03 = 8,588.18/x
  3. Step 3: Cross multiply
    15,758.20x = 21,746.03 × 8,588.18
  4. Step 4: Simplify right side
    15,758.20x = 186,758,819.93
  5. Step 5: Solve for x
    x = 186,758,819.93/15,758.20
  6. Step 6: Final answer
    x = 11,851.53

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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.