Home / 13,038.20-19,557.30-4,273.40

Finding the Fourth Proportional to 13,038.20, 19,557.30 and 4,273.40

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Solution

The fourth proportional to 13,038.20, 19,557.30 and 4,273.40 is: 6,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.20 : 19,557.30 = 4,273.40 : x
  2. Step 2: Convert to fraction form
    13,038.20/19,557.30 = 4,273.40/x
  3. Step 3: Cross multiply
    13,038.20x = 19,557.30 × 4,273.40
  4. Step 4: Simplify right side
    13,038.20x = 83,576,165.82
  5. Step 5: Solve for x
    x = 83,576,165.82/13,038.20
  6. Step 6: Final answer
    x = 6,410.10

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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.