Home / 15,600.15-21,528.16-8,526.57

Finding the Fourth Proportional to 15,600.15, 21,528.16 and 8,526.57

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Solution

The fourth proportional to 15,600.15, 21,528.16 and 8,526.57 is: 11,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.15 : 21,528.16 = 8,526.57 : x
  2. Step 2: Convert to fraction form
    15,600.15/21,528.16 = 8,526.57/x
  3. Step 3: Cross multiply
    15,600.15x = 21,528.16 × 8,526.57
  4. Step 4: Simplify right side
    15,600.15x = 183,561,363.21
  5. Step 5: Solve for x
    x = 183,561,363.21/15,600.15
  6. Step 6: Final answer
    x = 11,766.64

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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.