Home / 15,600.32-21,528.80-8,527.36

Finding the Fourth Proportional to 15,600.32, 21,528.80 and 8,527.36

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Solution

The fourth proportional to 15,600.32, 21,528.80 and 8,527.36 is: 11,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.32 : 21,528.80 = 8,527.36 : x
  2. Step 2: Convert to fraction form
    15,600.32/21,528.80 = 8,527.36/x
  3. Step 3: Cross multiply
    15,600.32x = 21,528.80 × 8,527.36
  4. Step 4: Simplify right side
    15,600.32x = 183,583,827.97
  5. Step 5: Solve for x
    x = 183,583,827.97/15,600.32
  6. Step 6: Final answer
    x = 11,767.95

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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.