Home / 19,122.40-26,388.54-10,624.48

Finding the Fourth Proportional to 19,122.40, 26,388.54 and 10,624.48

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Solution

The fourth proportional to 19,122.40, 26,388.54 and 10,624.48 is: 14,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.40 : 26,388.54 = 10,624.48 : x
  2. Step 2: Convert to fraction form
    19,122.40/26,388.54 = 10,624.48/x
  3. Step 3: Cross multiply
    19,122.40x = 26,388.54 × 10,624.48
  4. Step 4: Simplify right side
    19,122.40x = 280,364,515.46
  5. Step 5: Solve for x
    x = 280,364,515.46/19,122.40
  6. Step 6: Final answer
    x = 14,661.58

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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.