Home / 10,278.24-15,419.16-4,435.08

Finding the Fourth Proportional to 10,278.24, 15,419.16 and 4,435.08

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Solution

The fourth proportional to 10,278.24, 15,419.16 and 4,435.08 is: 6,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.24 : 15,419.16 = 4,435.08 : x
  2. Step 2: Convert to fraction form
    10,278.24/15,419.16 = 4,435.08/x
  3. Step 3: Cross multiply
    10,278.24x = 15,419.16 × 4,435.08
  4. Step 4: Simplify right side
    10,278.24x = 68,385,208.13
  5. Step 5: Solve for x
    x = 68,385,208.13/10,278.24
  6. Step 6: Final answer
    x = 6,653.40

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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.