Home / 15,560.11-21,477.14-8,846.02

Finding the Fourth Proportional to 15,560.11, 21,477.14 and 8,846.02

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Solution

The fourth proportional to 15,560.11, 21,477.14 and 8,846.02 is: 12,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.11 : 21,477.14 = 8,846.02 : x
  2. Step 2: Convert to fraction form
    15,560.11/21,477.14 = 8,846.02/x
  3. Step 3: Cross multiply
    15,560.11x = 21,477.14 × 8,846.02
  4. Step 4: Simplify right side
    15,560.11x = 189,987,209.98
  5. Step 5: Solve for x
    x = 189,987,209.98/15,560.11
  6. Step 6: Final answer
    x = 12,209.89

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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.