Home / 13,783.14-20,681.55-5,462.98

Finding the Fourth Proportional to 13,783.14, 20,681.55 and 5,462.98

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Solution

The fourth proportional to 13,783.14, 20,681.55 and 5,462.98 is: 8,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.14 : 20,681.55 = 5,462.98 : x
  2. Step 2: Convert to fraction form
    13,783.14/20,681.55 = 5,462.98/x
  3. Step 3: Cross multiply
    13,783.14x = 20,681.55 × 5,462.98
  4. Step 4: Simplify right side
    13,783.14x = 112,982,894.02
  5. Step 5: Solve for x
    x = 112,982,894.02/13,783.14
  6. Step 6: Final answer
    x = 8,197.18

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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.