Home / 18,289.40-25,237.98-10,332.36

Finding the Fourth Proportional to 18,289.40, 25,237.98 and 10,332.36

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Solution

The fourth proportional to 18,289.40, 25,237.98 and 10,332.36 is: 14,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.40 : 25,237.98 = 10,332.36 : x
  2. Step 2: Convert to fraction form
    18,289.40/25,237.98 = 10,332.36/x
  3. Step 3: Cross multiply
    18,289.40x = 25,237.98 × 10,332.36
  4. Step 4: Simplify right side
    18,289.40x = 260,767,895.03
  5. Step 5: Solve for x
    x = 260,767,895.03/18,289.40
  6. Step 6: Final answer
    x = 14,257.87

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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.