Home / 14,780.98-20,397.59-8,066.89

Finding the Fourth Proportional to 14,780.98, 20,397.59 and 8,066.89

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Solution

The fourth proportional to 14,780.98, 20,397.59 and 8,066.89 is: 11,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.98 : 20,397.59 = 8,066.89 : x
  2. Step 2: Convert to fraction form
    14,780.98/20,397.59 = 8,066.89/x
  3. Step 3: Cross multiply
    14,780.98x = 20,397.59 × 8,066.89
  4. Step 4: Simplify right side
    14,780.98x = 164,545,130.21
  5. Step 5: Solve for x
    x = 164,545,130.21/14,780.98
  6. Step 6: Final answer
    x = 11,132.22

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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.