Home / 14,774.55-20,397.18-10,243.81

Finding the Fourth Proportional to 14,774.55, 20,397.18 and 10,243.81

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Solution

The fourth proportional to 14,774.55, 20,397.18 and 10,243.81 is: 14,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.55 : 20,397.18 = 10,243.81 : x
  2. Step 2: Convert to fraction form
    14,774.55/20,397.18 = 10,243.81/x
  3. Step 3: Cross multiply
    14,774.55x = 20,397.18 × 10,243.81
  4. Step 4: Simplify right side
    14,774.55x = 208,944,836.46
  5. Step 5: Solve for x
    x = 208,944,836.46/14,774.55
  6. Step 6: Final answer
    x = 14,142.21

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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.