Home / 18,901.34-26,084.30-10,403.93

Finding the Fourth Proportional to 18,901.34, 26,084.30 and 10,403.93

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Solution

The fourth proportional to 18,901.34, 26,084.30 and 10,403.93 is: 14,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.34 : 26,084.30 = 10,403.93 : x
  2. Step 2: Convert to fraction form
    18,901.34/26,084.30 = 10,403.93/x
  3. Step 3: Cross multiply
    18,901.34x = 26,084.30 × 10,403.93
  4. Step 4: Simplify right side
    18,901.34x = 271,379,322.52
  5. Step 5: Solve for x
    x = 271,379,322.52/18,901.34
  6. Step 6: Final answer
    x = 14,357.67

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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.