Home / 18,315.23-25,277.34-10,357.29

Finding the Fourth Proportional to 18,315.23, 25,277.34 and 10,357.29

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Solution

The fourth proportional to 18,315.23, 25,277.34 and 10,357.29 is: 14,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.23 : 25,277.34 = 10,357.29 : x
  2. Step 2: Convert to fraction form
    18,315.23/25,277.34 = 10,357.29/x
  3. Step 3: Cross multiply
    18,315.23x = 25,277.34 × 10,357.29
  4. Step 4: Simplify right side
    18,315.23x = 261,804,740.81
  5. Step 5: Solve for x
    x = 261,804,740.81/18,315.23
  6. Step 6: Final answer
    x = 14,294.38

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Double scale
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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.