Home / 13,962.12-20,918.56-7,373.76

Finding the Fourth Proportional to 13,962.12, 20,918.56 and 7,373.76

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Solution

The fourth proportional to 13,962.12, 20,918.56 and 7,373.76 is: 11,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.12 : 20,918.56 = 7,373.76 : x
  2. Step 2: Convert to fraction form
    13,962.12/20,918.56 = 7,373.76/x
  3. Step 3: Cross multiply
    13,962.12x = 20,918.56 × 7,373.76
  4. Step 4: Simplify right side
    13,962.12x = 154,248,440.99
  5. Step 5: Solve for x
    x = 154,248,440.99/13,962.12
  6. Step 6: Final answer
    x = 11,047.64

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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.