Home / 15,600.21-21,528.45-8,526.75

Finding the Fourth Proportional to 15,600.21, 21,528.45 and 8,526.75

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Solution

The fourth proportional to 15,600.21, 21,528.45 and 8,526.75 is: 11,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.21 : 21,528.45 = 8,526.75 : x
  2. Step 2: Convert to fraction form
    15,600.21/21,528.45 = 8,526.75/x
  3. Step 3: Cross multiply
    15,600.21x = 21,528.45 × 8,526.75
  4. Step 4: Simplify right side
    15,600.21x = 183,567,711.04
  5. Step 5: Solve for x
    x = 183,567,711.04/15,600.21
  6. Step 6: Final answer
    x = 11,767.00

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Half scale
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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.