Home / 15,601.18-21,529.64-8,527.60

Finding the Fourth Proportional to 15,601.18, 21,529.64 and 8,527.60

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Solution

The fourth proportional to 15,601.18, 21,529.64 and 8,527.60 is: 11,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.18 : 21,529.64 = 8,527.60 : x
  2. Step 2: Convert to fraction form
    15,601.18/21,529.64 = 8,527.60/x
  3. Step 3: Cross multiply
    15,601.18x = 21,529.64 × 8,527.60
  4. Step 4: Simplify right side
    15,601.18x = 183,596,115.43
  5. Step 5: Solve for x
    x = 183,596,115.43/15,601.18
  6. Step 6: Final answer
    x = 11,768.10

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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.