Home / 14,510.87-20,007.90-13,434.84

Finding the Fourth Proportional to 14,510.87, 20,007.90 and 13,434.84

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Solution

The fourth proportional to 14,510.87, 20,007.90 and 13,434.84 is: 18,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.87 : 20,007.90 = 13,434.84 : x
  2. Step 2: Convert to fraction form
    14,510.87/20,007.90 = 13,434.84/x
  3. Step 3: Cross multiply
    14,510.87x = 20,007.90 × 13,434.84
  4. Step 4: Simplify right side
    14,510.87x = 268,802,968.82
  5. Step 5: Solve for x
    x = 268,802,968.82/14,510.87
  6. Step 6: Final answer
    x = 18,524.26

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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.