Home / 15,600.84-21,529.12-8,527.26

Finding the Fourth Proportional to 15,600.84, 21,529.12 and 8,527.26

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Solution

The fourth proportional to 15,600.84, 21,529.12 and 8,527.26 is: 11,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.84 : 21,529.12 = 8,527.26 : x
  2. Step 2: Convert to fraction form
    15,600.84/21,529.12 = 8,527.26/x
  3. Step 3: Cross multiply
    15,600.84x = 21,529.12 × 8,527.26
  4. Step 4: Simplify right side
    15,600.84x = 183,584,403.81
  5. Step 5: Solve for x
    x = 183,584,403.81/15,600.84
  6. Step 6: Final answer
    x = 11,767.60

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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.