Home / 14,557.39-21,820.93-9,877.81

Finding the Fourth Proportional to 14,557.39, 21,820.93 and 9,877.81

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Solution

The fourth proportional to 14,557.39, 21,820.93 and 9,877.81 is: 14,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.39 : 21,820.93 = 9,877.81 : x
  2. Step 2: Convert to fraction form
    14,557.39/21,820.93 = 9,877.81/x
  3. Step 3: Cross multiply
    14,557.39x = 21,820.93 × 9,877.81
  4. Step 4: Simplify right side
    14,557.39x = 215,542,951.17
  5. Step 5: Solve for x
    x = 215,542,951.17/14,557.39
  6. Step 6: Final answer
    x = 14,806.43

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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.