Home / 18,360.06-25,335.45-10,403.53

Finding the Fourth Proportional to 18,360.06, 25,335.45 and 10,403.53

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Solution

The fourth proportional to 18,360.06, 25,335.45 and 10,403.53 is: 14,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.06 : 25,335.45 = 10,403.53 : x
  2. Step 2: Convert to fraction form
    18,360.06/25,335.45 = 10,403.53/x
  3. Step 3: Cross multiply
    18,360.06x = 25,335.45 × 10,403.53
  4. Step 4: Simplify right side
    18,360.06x = 263,578,114.14
  5. Step 5: Solve for x
    x = 263,578,114.14/18,360.06
  6. Step 6: Final answer
    x = 14,356.06

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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.