Home / 14,788.31-20,402.96-9,755.01

Finding the Fourth Proportional to 14,788.31, 20,402.96 and 9,755.01

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Solution

The fourth proportional to 14,788.31, 20,402.96 and 9,755.01 is: 13,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.31 : 20,402.96 = 9,755.01 : x
  2. Step 2: Convert to fraction form
    14,788.31/20,402.96 = 9,755.01/x
  3. Step 3: Cross multiply
    14,788.31x = 20,402.96 × 9,755.01
  4. Step 4: Simplify right side
    14,788.31x = 199,031,030.05
  5. Step 5: Solve for x
    x = 199,031,030.05/14,788.31
  6. Step 6: Final answer
    x = 13,458.68

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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.