Home / 18,363.49-25,337.45-10,403.89

Finding the Fourth Proportional to 18,363.49, 25,337.45 and 10,403.89

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Solution

The fourth proportional to 18,363.49, 25,337.45 and 10,403.89 is: 14,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.49 : 25,337.45 = 10,403.89 : x
  2. Step 2: Convert to fraction form
    18,363.49/25,337.45 = 10,403.89/x
  3. Step 3: Cross multiply
    18,363.49x = 25,337.45 × 10,403.89
  4. Step 4: Simplify right side
    18,363.49x = 263,607,990.66
  5. Step 5: Solve for x
    x = 263,607,990.66/18,363.49
  6. Step 6: Final answer
    x = 14,355.00

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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.