Home / 13,047.40-19,567.14-3,686.68

Finding the Fourth Proportional to 13,047.40, 19,567.14 and 3,686.68

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Solution

The fourth proportional to 13,047.40, 19,567.14 and 3,686.68 is: 5,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.40 : 19,567.14 = 3,686.68 : x
  2. Step 2: Convert to fraction form
    13,047.40/19,567.14 = 3,686.68/x
  3. Step 3: Cross multiply
    13,047.40x = 19,567.14 × 3,686.68
  4. Step 4: Simplify right side
    13,047.40x = 72,137,783.70
  5. Step 5: Solve for x
    x = 72,137,783.70/13,047.40
  6. Step 6: Final answer
    x = 5,528.90

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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.