Home / 14,814.83-20,411.66-9,770.15

Finding the Fourth Proportional to 14,814.83, 20,411.66 and 9,770.15

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Solution

The fourth proportional to 14,814.83, 20,411.66 and 9,770.15 is: 13,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.83 : 20,411.66 = 9,770.15 : x
  2. Step 2: Convert to fraction form
    14,814.83/20,411.66 = 9,770.15/x
  3. Step 3: Cross multiply
    14,814.83x = 20,411.66 × 9,770.15
  4. Step 4: Simplify right side
    14,814.83x = 199,425,055.40
  5. Step 5: Solve for x
    x = 199,425,055.40/14,814.83
  6. Step 6: Final answer
    x = 13,461.18

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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.