Home / 14,788.68-20,403.48-9,755.40

Finding the Fourth Proportional to 14,788.68, 20,403.48 and 9,755.40

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Solution

The fourth proportional to 14,788.68, 20,403.48 and 9,755.40 is: 13,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.68 : 20,403.48 = 9,755.40 : x
  2. Step 2: Convert to fraction form
    14,788.68/20,403.48 = 9,755.40/x
  3. Step 3: Cross multiply
    14,788.68x = 20,403.48 × 9,755.40
  4. Step 4: Simplify right side
    14,788.68x = 199,044,108.79
  5. Step 5: Solve for x
    x = 199,044,108.79/14,788.68
  6. Step 6: Final answer
    x = 13,459.22

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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.