Home / 13,358.30-20,015.46-4,588.40

Finding the Fourth Proportional to 13,358.30, 20,015.46 and 4,588.40

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Solution

The fourth proportional to 13,358.30, 20,015.46 and 4,588.40 is: 6,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.30 : 20,015.46 = 4,588.40 : x
  2. Step 2: Convert to fraction form
    13,358.30/20,015.46 = 4,588.40/x
  3. Step 3: Cross multiply
    13,358.30x = 20,015.46 × 4,588.40
  4. Step 4: Simplify right side
    13,358.30x = 91,838,936.66
  5. Step 5: Solve for x
    x = 91,838,936.66/13,358.30
  6. Step 6: Final answer
    x = 6,875.05

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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.