Home / 18,985.46-26,199.41-10,487.45

Finding the Fourth Proportional to 18,985.46, 26,199.41 and 10,487.45

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Solution

The fourth proportional to 18,985.46, 26,199.41 and 10,487.45 is: 14,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.46 : 26,199.41 = 10,487.45 : x
  2. Step 2: Convert to fraction form
    18,985.46/26,199.41 = 10,487.45/x
  3. Step 3: Cross multiply
    18,985.46x = 26,199.41 × 10,487.45
  4. Step 4: Simplify right side
    18,985.46x = 274,765,015.47
  5. Step 5: Solve for x
    x = 274,765,015.47/18,985.46
  6. Step 6: Final answer
    x = 14,472.39

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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.