Home / 14,086.42-19,421.64-10,306.54

Finding the Fourth Proportional to 14,086.42, 19,421.64 and 10,306.54

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Solution

The fourth proportional to 14,086.42, 19,421.64 and 10,306.54 is: 14,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.42 : 19,421.64 = 10,306.54 : x
  2. Step 2: Convert to fraction form
    14,086.42/19,421.64 = 10,306.54/x
  3. Step 3: Cross multiply
    14,086.42x = 19,421.64 × 10,306.54
  4. Step 4: Simplify right side
    14,086.42x = 200,169,909.53
  5. Step 5: Solve for x
    x = 200,169,909.53/14,086.42
  6. Step 6: Final answer
    x = 14,210.13

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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.