Home / 15,266.07-21,066.56-8,551.35

Finding the Fourth Proportional to 15,266.07, 21,066.56 and 8,551.35

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Solution

The fourth proportional to 15,266.07, 21,066.56 and 8,551.35 is: 11,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.07 : 21,066.56 = 8,551.35 : x
  2. Step 2: Convert to fraction form
    15,266.07/21,066.56 = 8,551.35/x
  3. Step 3: Cross multiply
    15,266.07x = 21,066.56 × 8,551.35
  4. Step 4: Simplify right side
    15,266.07x = 180,147,517.17
  5. Step 5: Solve for x
    x = 180,147,517.17/15,266.07
  6. Step 6: Final answer
    x = 11,800.52

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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.