Home / 12,903.86-19,363.08-5,507.62

Finding the Fourth Proportional to 12,903.86, 19,363.08 and 5,507.62

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Solution

The fourth proportional to 12,903.86, 19,363.08 and 5,507.62 is: 8,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.86 : 19,363.08 = 5,507.62 : x
  2. Step 2: Convert to fraction form
    12,903.86/19,363.08 = 5,507.62/x
  3. Step 3: Cross multiply
    12,903.86x = 19,363.08 × 5,507.62
  4. Step 4: Simplify right side
    12,903.86x = 106,644,486.67
  5. Step 5: Solve for x
    x = 106,644,486.67/12,903.86
  6. Step 6: Final answer
    x = 8,264.54

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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.