Home / 15,600.21-21,528.26-8,526.68

Finding the Fourth Proportional to 15,600.21, 21,528.26 and 8,526.68

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Solution

The fourth proportional to 15,600.21, 21,528.26 and 8,526.68 is: 11,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.21 : 21,528.26 = 8,526.68 : x
  2. Step 2: Convert to fraction form
    15,600.21/21,528.26 = 8,526.68/x
  3. Step 3: Cross multiply
    15,600.21x = 21,528.26 × 8,526.68
  4. Step 4: Simplify right side
    15,600.21x = 183,564,643.52
  5. Step 5: Solve for x
    x = 183,564,643.52/15,600.21
  6. Step 6: Final answer
    x = 11,766.80

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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.