Home / 18,433.19-25,437.75-10,475.40

Finding the Fourth Proportional to 18,433.19, 25,437.75 and 10,475.40

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Solution

The fourth proportional to 18,433.19, 25,437.75 and 10,475.40 is: 14,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.19 : 25,437.75 = 10,475.40 : x
  2. Step 2: Convert to fraction form
    18,433.19/25,437.75 = 10,475.40/x
  3. Step 3: Cross multiply
    18,433.19x = 25,437.75 × 10,475.40
  4. Step 4: Simplify right side
    18,433.19x = 266,470,606.35
  5. Step 5: Solve for x
    x = 266,470,606.35/18,433.19
  6. Step 6: Final answer
    x = 14,456.03

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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.