Home / 18,403.53-25,397.49-10,338.60

Finding the Fourth Proportional to 18,403.53, 25,397.49 and 10,338.60

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Solution

The fourth proportional to 18,403.53, 25,397.49 and 10,338.60 is: 14,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.53 : 25,397.49 = 10,338.60 : x
  2. Step 2: Convert to fraction form
    18,403.53/25,397.49 = 10,338.60/x
  3. Step 3: Cross multiply
    18,403.53x = 25,397.49 × 10,338.60
  4. Step 4: Simplify right side
    18,403.53x = 262,574,490.11
  5. Step 5: Solve for x
    x = 262,574,490.11/18,403.53
  6. Step 6: Final answer
    x = 14,267.62

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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.