Home / 18,985.97-26,200.53-10,488.67

Finding the Fourth Proportional to 18,985.97, 26,200.53 and 10,488.67

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Solution

The fourth proportional to 18,985.97, 26,200.53 and 10,488.67 is: 14,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.97 : 26,200.53 = 10,488.67 : x
  2. Step 2: Convert to fraction form
    18,985.97/26,200.53 = 10,488.67/x
  3. Step 3: Cross multiply
    18,985.97x = 26,200.53 × 10,488.67
  4. Step 4: Simplify right side
    18,985.97x = 274,808,794.87
  5. Step 5: Solve for x
    x = 274,808,794.87/18,985.97
  6. Step 6: Final answer
    x = 14,474.31

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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.