Home / 23,323.70-34,985.55-13,457.90

Finding the Fourth Proportional to 23,323.70, 34,985.55 and 13,457.90

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Solution

The fourth proportional to 23,323.70, 34,985.55 and 13,457.90 is: 20,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,323.70 : 34,985.55 = 13,457.90 : x
  2. Step 2: Convert to fraction form
    23,323.70/34,985.55 = 13,457.90/x
  3. Step 3: Cross multiply
    23,323.70x = 34,985.55 × 13,457.90
  4. Step 4: Simplify right side
    23,323.70x = 470,832,033.35
  5. Step 5: Solve for x
    x = 470,832,033.35/23,323.70
  6. Step 6: Final answer
    x = 20,186.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.