Home / 13,277.63-19,916.27-5,380.08

Finding the Fourth Proportional to 13,277.63, 19,916.27 and 5,380.08

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Solution

The fourth proportional to 13,277.63, 19,916.27 and 5,380.08 is: 8,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.63 : 19,916.27 = 5,380.08 : x
  2. Step 2: Convert to fraction form
    13,277.63/19,916.27 = 5,380.08/x
  3. Step 3: Cross multiply
    13,277.63x = 19,916.27 × 5,380.08
  4. Step 4: Simplify right side
    13,277.63x = 107,151,125.90
  5. Step 5: Solve for x
    x = 107,151,125.90/13,277.63
  6. Step 6: Final answer
    x = 8,070.05

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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.