Home / 13,017.60-19,516.80-8,847.20

Finding the Fourth Proportional to 13,017.60, 19,516.80 and 8,847.20

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Solution

The fourth proportional to 13,017.60, 19,516.80 and 8,847.20 is: 13,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.60 : 19,516.80 = 8,847.20 : x
  2. Step 2: Convert to fraction form
    13,017.60/19,516.80 = 8,847.20/x
  3. Step 3: Cross multiply
    13,017.60x = 19,516.80 × 8,847.20
  4. Step 4: Simplify right side
    13,017.60x = 172,669,032.96
  5. Step 5: Solve for x
    x = 172,669,032.96/13,017.60
  6. Step 6: Final answer
    x = 13,264.28

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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.