Home / 18,106.32-24,986.28-10,039.93

Finding the Fourth Proportional to 18,106.32, 24,986.28 and 10,039.93

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Solution

The fourth proportional to 18,106.32, 24,986.28 and 10,039.93 is: 13,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.32 : 24,986.28 = 10,039.93 : x
  2. Step 2: Convert to fraction form
    18,106.32/24,986.28 = 10,039.93/x
  3. Step 3: Cross multiply
    18,106.32x = 24,986.28 × 10,039.93
  4. Step 4: Simplify right side
    18,106.32x = 250,860,502.16
  5. Step 5: Solve for x
    x = 250,860,502.16/18,106.32
  6. Step 6: Final answer
    x = 13,854.86

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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.