Home / 14,225.28-19,631.12-7,852.18

Finding the Fourth Proportional to 14,225.28, 19,631.12 and 7,852.18

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Solution

The fourth proportional to 14,225.28, 19,631.12 and 7,852.18 is: 10,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.28 : 19,631.12 = 7,852.18 : x
  2. Step 2: Convert to fraction form
    14,225.28/19,631.12 = 7,852.18/x
  3. Step 3: Cross multiply
    14,225.28x = 19,631.12 × 7,852.18
  4. Step 4: Simplify right side
    14,225.28x = 154,147,087.84
  5. Step 5: Solve for x
    x = 154,147,087.84/14,225.28
  6. Step 6: Final answer
    x = 10,836.14

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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.