Home / 15,340.50-21,170.02-8,626.07

Finding the Fourth Proportional to 15,340.50, 21,170.02 and 8,626.07

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Solution

The fourth proportional to 15,340.50, 21,170.02 and 8,626.07 is: 11,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.50 : 21,170.02 = 8,626.07 : x
  2. Step 2: Convert to fraction form
    15,340.50/21,170.02 = 8,626.07/x
  3. Step 3: Cross multiply
    15,340.50x = 21,170.02 × 8,626.07
  4. Step 4: Simplify right side
    15,340.50x = 182,613,981.37
  5. Step 5: Solve for x
    x = 182,613,981.37/15,340.50
  6. Step 6: Final answer
    x = 11,904.04

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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.