Home / 10,455.46-14,428.21-5,675.18

Finding the Fourth Proportional to 10,455.46, 14,428.21 and 5,675.18

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Solution

The fourth proportional to 10,455.46, 14,428.21 and 5,675.18 is: 7,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.46 : 14,428.21 = 5,675.18 : x
  2. Step 2: Convert to fraction form
    10,455.46/14,428.21 = 5,675.18/x
  3. Step 3: Cross multiply
    10,455.46x = 14,428.21 × 5,675.18
  4. Step 4: Simplify right side
    10,455.46x = 81,882,602.50
  5. Step 5: Solve for x
    x = 81,882,602.50/10,455.46
  6. Step 6: Final answer
    x = 7,831.57

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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.