Home / 14,167.89-19,557.45-9,132.39

Finding the Fourth Proportional to 14,167.89, 19,557.45 and 9,132.39

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Solution

The fourth proportional to 14,167.89, 19,557.45 and 9,132.39 is: 12,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.89 : 19,557.45 = 9,132.39 : x
  2. Step 2: Convert to fraction form
    14,167.89/19,557.45 = 9,132.39/x
  3. Step 3: Cross multiply
    14,167.89x = 19,557.45 × 9,132.39
  4. Step 4: Simplify right side
    14,167.89x = 178,606,260.81
  5. Step 5: Solve for x
    x = 178,606,260.81/14,167.89
  6. Step 6: Final answer
    x = 12,606.41

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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.