Home / 17,868.36-24,657.70-9,911.32

Finding the Fourth Proportional to 17,868.36, 24,657.70 and 9,911.32

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Solution

The fourth proportional to 17,868.36, 24,657.70 and 9,911.32 is: 13,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.36 : 24,657.70 = 9,911.32 : x
  2. Step 2: Convert to fraction form
    17,868.36/24,657.70 = 9,911.32/x
  3. Step 3: Cross multiply
    17,868.36x = 24,657.70 × 9,911.32
  4. Step 4: Simplify right side
    17,868.36x = 244,390,355.16
  5. Step 5: Solve for x
    x = 244,390,355.16/17,868.36
  6. Step 6: Final answer
    x = 13,677.27

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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.