Home / 15,366.19-21,205.76-8,652.07

Finding the Fourth Proportional to 15,366.19, 21,205.76 and 8,652.07

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Solution

The fourth proportional to 15,366.19, 21,205.76 and 8,652.07 is: 11,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.19 : 21,205.76 = 8,652.07 : x
  2. Step 2: Convert to fraction form
    15,366.19/21,205.76 = 8,652.07/x
  3. Step 3: Cross multiply
    15,366.19x = 21,205.76 × 8,652.07
  4. Step 4: Simplify right side
    15,366.19x = 183,473,719.92
  5. Step 5: Solve for x
    x = 183,473,719.92/15,366.19
  6. Step 6: Final answer
    x = 11,940.09

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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.