Home / 16,439.14-22,680.47-9,360.55

Finding the Fourth Proportional to 16,439.14, 22,680.47 and 9,360.55

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Solution

The fourth proportional to 16,439.14, 22,680.47 and 9,360.55 is: 12,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.14 : 22,680.47 = 9,360.55 : x
  2. Step 2: Convert to fraction form
    16,439.14/22,680.47 = 9,360.55/x
  3. Step 3: Cross multiply
    16,439.14x = 22,680.47 × 9,360.55
  4. Step 4: Simplify right side
    16,439.14x = 212,301,673.46
  5. Step 5: Solve for x
    x = 212,301,673.46/16,439.14
  6. Step 6: Final answer
    x = 12,914.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.