Home / 12,563.24-18,831.69-4,240.35

Finding the Fourth Proportional to 12,563.24, 18,831.69 and 4,240.35

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Solution

The fourth proportional to 12,563.24, 18,831.69 and 4,240.35 is: 6,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.24 : 18,831.69 = 4,240.35 : x
  2. Step 2: Convert to fraction form
    12,563.24/18,831.69 = 4,240.35/x
  3. Step 3: Cross multiply
    12,563.24x = 18,831.69 × 4,240.35
  4. Step 4: Simplify right side
    12,563.24x = 79,852,956.69
  5. Step 5: Solve for x
    x = 79,852,956.69/12,563.24
  6. Step 6: Final answer
    x = 6,356.08

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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.