Home / 15,102.39-22,653.45-8,905.50

Finding the Fourth Proportional to 15,102.39, 22,653.45 and 8,905.50

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Solution

The fourth proportional to 15,102.39, 22,653.45 and 8,905.50 is: 13,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.39 : 22,653.45 = 8,905.50 : x
  2. Step 2: Convert to fraction form
    15,102.39/22,653.45 = 8,905.50/x
  3. Step 3: Cross multiply
    15,102.39x = 22,653.45 × 8,905.50
  4. Step 4: Simplify right side
    15,102.39x = 201,740,298.98
  5. Step 5: Solve for x
    x = 201,740,298.98/15,102.39
  6. Step 6: Final answer
    x = 13,358.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.