Home / 18,284.57-25,232.75-9,901.07

Finding the Fourth Proportional to 18,284.57, 25,232.75 and 9,901.07

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Solution

The fourth proportional to 18,284.57, 25,232.75 and 9,901.07 is: 13,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.57 : 25,232.75 = 9,901.07 : x
  2. Step 2: Convert to fraction form
    18,284.57/25,232.75 = 9,901.07/x
  3. Step 3: Cross multiply
    18,284.57x = 25,232.75 × 9,901.07
  4. Step 4: Simplify right side
    18,284.57x = 249,831,048.37
  5. Step 5: Solve for x
    x = 249,831,048.37/18,284.57
  6. Step 6: Final answer
    x = 13,663.49

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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.