Home / 13,975.74-19,286.90-7,602.76

Finding the Fourth Proportional to 13,975.74, 19,286.90 and 7,602.76

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Solution

The fourth proportional to 13,975.74, 19,286.90 and 7,602.76 is: 10,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.74 : 19,286.90 = 7,602.76 : x
  2. Step 2: Convert to fraction form
    13,975.74/19,286.90 = 7,602.76/x
  3. Step 3: Cross multiply
    13,975.74x = 19,286.90 × 7,602.76
  4. Step 4: Simplify right side
    13,975.74x = 146,633,671.84
  5. Step 5: Solve for x
    x = 146,633,671.84/13,975.74
  6. Step 6: Final answer
    x = 10,492.01

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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.