Home / 14,282.40-21,423.60-9,908.40

Finding the Fourth Proportional to 14,282.40, 21,423.60 and 9,908.40

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Solution

The fourth proportional to 14,282.40, 21,423.60 and 9,908.40 is: 14,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.40 : 21,423.60 = 9,908.40 : x
  2. Step 2: Convert to fraction form
    14,282.40/21,423.60 = 9,908.40/x
  3. Step 3: Cross multiply
    14,282.40x = 21,423.60 × 9,908.40
  4. Step 4: Simplify right side
    14,282.40x = 212,273,598.24
  5. Step 5: Solve for x
    x = 212,273,598.24/14,282.40
  6. Step 6: Final answer
    x = 14,862.60

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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.