Home / 13,457.85-18,560.01-9,422.61

Finding the Fourth Proportional to 13,457.85, 18,560.01 and 9,422.61

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Solution

The fourth proportional to 13,457.85, 18,560.01 and 9,422.61 is: 12,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.85 : 18,560.01 = 9,422.61 : x
  2. Step 2: Convert to fraction form
    13,457.85/18,560.01 = 9,422.61/x
  3. Step 3: Cross multiply
    13,457.85x = 18,560.01 × 9,422.61
  4. Step 4: Simplify right side
    13,457.85x = 174,883,735.83
  5. Step 5: Solve for x
    x = 174,883,735.83/13,457.85
  6. Step 6: Final answer
    x = 12,994.92

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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.