Home / 19,446.84-29,170.06-8,913.86

Finding the Fourth Proportional to 19,446.84, 29,170.06 and 8,913.86

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Solution

The fourth proportional to 19,446.84, 29,170.06 and 8,913.86 is: 13,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.84 : 29,170.06 = 8,913.86 : x
  2. Step 2: Convert to fraction form
    19,446.84/29,170.06 = 8,913.86/x
  3. Step 3: Cross multiply
    19,446.84x = 29,170.06 × 8,913.86
  4. Step 4: Simplify right side
    19,446.84x = 260,017,831.03
  5. Step 5: Solve for x
    x = 260,017,831.03/19,446.84
  6. Step 6: Final answer
    x = 13,370.70

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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.