Home / 15,346.06-21,176.08-8,634.02

Finding the Fourth Proportional to 15,346.06, 21,176.08 and 8,634.02

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Solution

The fourth proportional to 15,346.06, 21,176.08 and 8,634.02 is: 11,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.06 : 21,176.08 = 8,634.02 : x
  2. Step 2: Convert to fraction form
    15,346.06/21,176.08 = 8,634.02/x
  3. Step 3: Cross multiply
    15,346.06x = 21,176.08 × 8,634.02
  4. Step 4: Simplify right side
    15,346.06x = 182,834,678.90
  5. Step 5: Solve for x
    x = 182,834,678.90/15,346.06
  6. Step 6: Final answer
    x = 11,914.11

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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.