Home / 10,363.95-15,548.96-3,345.05

Finding the Fourth Proportional to 10,363.95, 15,548.96 and 3,345.05

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Solution

The fourth proportional to 10,363.95, 15,548.96 and 3,345.05 is: 5,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.95 : 15,548.96 = 3,345.05 : x
  2. Step 2: Convert to fraction form
    10,363.95/15,548.96 = 3,345.05/x
  3. Step 3: Cross multiply
    10,363.95x = 15,548.96 × 3,345.05
  4. Step 4: Simplify right side
    10,363.95x = 52,012,008.42
  5. Step 5: Solve for x
    x = 52,012,008.42/10,363.95
  6. Step 6: Final answer
    x = 5,018.55

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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.