Home / 13,702.13-18,909.47-7,733.67

Finding the Fourth Proportional to 13,702.13, 18,909.47 and 7,733.67

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Solution

The fourth proportional to 13,702.13, 18,909.47 and 7,733.67 is: 10,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.13 : 18,909.47 = 7,733.67 : x
  2. Step 2: Convert to fraction form
    13,702.13/18,909.47 = 7,733.67/x
  3. Step 3: Cross multiply
    13,702.13x = 18,909.47 × 7,733.67
  4. Step 4: Simplify right side
    13,702.13x = 146,239,562.19
  5. Step 5: Solve for x
    x = 146,239,562.19/13,702.13
  6. Step 6: Final answer
    x = 10,672.76

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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.