Home / 15,600.80-21,528.60-8,527.16

Finding the Fourth Proportional to 15,600.80, 21,528.60 and 8,527.16

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Solution

The fourth proportional to 15,600.80, 21,528.60 and 8,527.16 is: 11,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.80 : 21,528.60 = 8,527.16 : x
  2. Step 2: Convert to fraction form
    15,600.80/21,528.60 = 8,527.16/x
  3. Step 3: Cross multiply
    15,600.80x = 21,528.60 × 8,527.16
  4. Step 4: Simplify right side
    15,600.80x = 183,577,816.78
  5. Step 5: Solve for x
    x = 183,577,816.78/15,600.80
  6. Step 6: Final answer
    x = 11,767.21

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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.