Home / 19,902.74-29,816.15-10,258.07

Finding the Fourth Proportional to 19,902.74, 29,816.15 and 10,258.07

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Solution

The fourth proportional to 19,902.74, 29,816.15 and 10,258.07 is: 15,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.74 : 29,816.15 = 10,258.07 : x
  2. Step 2: Convert to fraction form
    19,902.74/29,816.15 = 10,258.07/x
  3. Step 3: Cross multiply
    19,902.74x = 29,816.15 × 10,258.07
  4. Step 4: Simplify right side
    19,902.74x = 305,855,953.46
  5. Step 5: Solve for x
    x = 305,855,953.46/19,902.74
  6. Step 6: Final answer
    x = 15,367.53

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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.