Home / 13,962.10-20,918.55-7,373.77

Finding the Fourth Proportional to 13,962.10, 20,918.55 and 7,373.77

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Solution

The fourth proportional to 13,962.10, 20,918.55 and 7,373.77 is: 11,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.10 : 20,918.55 = 7,373.77 : x
  2. Step 2: Convert to fraction form
    13,962.10/20,918.55 = 7,373.77/x
  3. Step 3: Cross multiply
    13,962.10x = 20,918.55 × 7,373.77
  4. Step 4: Simplify right side
    13,962.10x = 154,248,576.43
  5. Step 5: Solve for x
    x = 154,248,576.43/13,962.10
  6. Step 6: Final answer
    x = 11,047.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.