Home / 14,060.26-19,403-7,686.78

Finding the Fourth Proportional to 14,060.26, 19,403 and 7,686.78

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Solution

The fourth proportional to 14,060.26, 19,403 and 7,686.78 is: 10,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.26 : 19,403 = 7,686.78 : x
  2. Step 2: Convert to fraction form
    14,060.26/19,403 = 7,686.78/x
  3. Step 3: Cross multiply
    14,060.26x = 19,403 × 7,686.78
  4. Step 4: Simplify right side
    14,060.26x = 149,146,592.34
  5. Step 5: Solve for x
    x = 149,146,592.34/14,060.26
  6. Step 6: Final answer
    x = 10,607.67

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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.