Home / 13,501.60-20,246.32-5,706.40

Finding the Fourth Proportional to 13,501.60, 20,246.32 and 5,706.40

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Solution

The fourth proportional to 13,501.60, 20,246.32 and 5,706.40 is: 8,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.60 : 20,246.32 = 5,706.40 : x
  2. Step 2: Convert to fraction form
    13,501.60/20,246.32 = 5,706.40/x
  3. Step 3: Cross multiply
    13,501.60x = 20,246.32 × 5,706.40
  4. Step 4: Simplify right side
    13,501.60x = 115,533,600.45
  5. Step 5: Solve for x
    x = 115,533,600.45/13,501.60
  6. Step 6: Final answer
    x = 8,557.03

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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.