Home / 15,599.39-21,528.62-8,526.87

Finding the Fourth Proportional to 15,599.39, 21,528.62 and 8,526.87

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Solution

The fourth proportional to 15,599.39, 21,528.62 and 8,526.87 is: 11,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.39 : 21,528.62 = 8,526.87 : x
  2. Step 2: Convert to fraction form
    15,599.39/21,528.62 = 8,526.87/x
  3. Step 3: Cross multiply
    15,599.39x = 21,528.62 × 8,526.87
  4. Step 4: Simplify right side
    15,599.39x = 183,571,733.36
  5. Step 5: Solve for x
    x = 183,571,733.36/15,599.39
  6. Step 6: Final answer
    x = 11,767.88

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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.