Home / 15,600.29-21,529.68-8,888.02

Finding the Fourth Proportional to 15,600.29, 21,529.68 and 8,888.02

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Solution

The fourth proportional to 15,600.29, 21,529.68 and 8,888.02 is: 12,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.29 : 21,529.68 = 8,888.02 : x
  2. Step 2: Convert to fraction form
    15,600.29/21,529.68 = 8,888.02/x
  3. Step 3: Cross multiply
    15,600.29x = 21,529.68 × 8,888.02
  4. Step 4: Simplify right side
    15,600.29x = 191,356,226.43
  5. Step 5: Solve for x
    x = 191,356,226.43/15,600.29
  6. Step 6: Final answer
    x = 12,266.20

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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.