Home / 13,599.28-20,355.14-7,016.40

Finding the Fourth Proportional to 13,599.28, 20,355.14 and 7,016.40

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Solution

The fourth proportional to 13,599.28, 20,355.14 and 7,016.40 is: 10,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.28 : 20,355.14 = 7,016.40 : x
  2. Step 2: Convert to fraction form
    13,599.28/20,355.14 = 7,016.40/x
  3. Step 3: Cross multiply
    13,599.28x = 20,355.14 × 7,016.40
  4. Step 4: Simplify right side
    13,599.28x = 142,819,804.30
  5. Step 5: Solve for x
    x = 142,819,804.30/13,599.28
  6. Step 6: Final answer
    x = 10,502.01

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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.