Home / 12,464.84-18,669.78-10,303.15

Finding the Fourth Proportional to 12,464.84, 18,669.78 and 10,303.15

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Solution

The fourth proportional to 12,464.84, 18,669.78 and 10,303.15 is: 15,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.84 : 18,669.78 = 10,303.15 : x
  2. Step 2: Convert to fraction form
    12,464.84/18,669.78 = 10,303.15/x
  3. Step 3: Cross multiply
    12,464.84x = 18,669.78 × 10,303.15
  4. Step 4: Simplify right side
    12,464.84x = 192,357,616.24
  5. Step 5: Solve for x
    x = 192,357,616.24/12,464.84
  6. Step 6: Final answer
    x = 15,432.02

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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.