Home / 18,108.61-24,989.73-10,150.81

Finding the Fourth Proportional to 18,108.61, 24,989.73 and 10,150.81

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Solution

The fourth proportional to 18,108.61, 24,989.73 and 10,150.81 is: 14,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.61 : 24,989.73 = 10,150.81 : x
  2. Step 2: Convert to fraction form
    18,108.61/24,989.73 = 10,150.81/x
  3. Step 3: Cross multiply
    18,108.61x = 24,989.73 × 10,150.81
  4. Step 4: Simplify right side
    18,108.61x = 253,666,001.18
  5. Step 5: Solve for x
    x = 253,666,001.18/18,108.61
  6. Step 6: Final answer
    x = 14,008.03

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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.