Home / 14,693.40-21,989.70-8,854.20

Finding the Fourth Proportional to 14,693.40, 21,989.70 and 8,854.20

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Solution

The fourth proportional to 14,693.40, 21,989.70 and 8,854.20 is: 13,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.40 : 21,989.70 = 8,854.20 : x
  2. Step 2: Convert to fraction form
    14,693.40/21,989.70 = 8,854.20/x
  3. Step 3: Cross multiply
    14,693.40x = 21,989.70 × 8,854.20
  4. Step 4: Simplify right side
    14,693.40x = 194,701,201.74
  5. Step 5: Solve for x
    x = 194,701,201.74/14,693.40
  6. Step 6: Final answer
    x = 13,250.93

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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.