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Finding the Fourth Proportional to 15,605.01, 21,536.39 and 8,532.50

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Solution

The fourth proportional to 15,605.01, 21,536.39 and 8,532.50 is: 11,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.01 : 21,536.39 = 8,532.50 : x
  2. Step 2: Convert to fraction form
    15,605.01/21,536.39 = 8,532.50/x
  3. Step 3: Cross multiply
    15,605.01x = 21,536.39 × 8,532.50
  4. Step 4: Simplify right side
    15,605.01x = 183,759,161.32
  5. Step 5: Solve for x
    x = 183,759,161.32/15,605.01
  6. Step 6: Final answer
    x = 11,775.65

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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.